diff --git a/README.md b/README.md
index 3c8dc58..f15887e 100644
--- a/README.md
+++ b/README.md
@@ -23,7 +23,7 @@ repositories {
 }
 
 dependencies {
-    implementation 'com.nexmo:nexmo-spring-boot-starter:1.1.0'
+    implementation 'com.nexmo:nexmo-spring-boot-starter:2.0.0'
 }
 ```
 
@@ -33,7 +33,7 @@ For Maven:
 <dependency>
   <groupId>com.nexmo</groupId>
   <artifactId>nexmo-spring-boot-starter</artifactId>
-  <version>1.1.0</version>
+  <version>2.0.0</version>
 </dependency>
 ```
 
@@ -132,3 +132,7 @@ Bringing in older versions of the supported Nexmo Client, may result in some unf
 | v1.0.0 | v4.3.0 |
 | v1.0.1 | v4.3.1 |
 | v1.1.0 | v4.4.0 |
+
+| Nexmo Spring Boot Starter | Vonage Java Client |
+|---|---|
+| v2.0.0 | v5.5.0 |
diff --git a/nexmo-spring-boot-autoconfigure/pom.xml b/nexmo-spring-boot-autoconfigure/pom.xml
index ff715b9..6cd6e9b 100644
--- a/nexmo-spring-boot-autoconfigure/pom.xml
+++ b/nexmo-spring-boot-autoconfigure/pom.xml
@@ -7,11 +7,11 @@
     <parent>
         <groupId>com.nexmo</groupId>
         <artifactId>nexmo-starter</artifactId>
-        <version>1.1.0</version>
+        <version>2.0.0</version>
     </parent>
 
     <artifactId>nexmo-spring-boot-autoconfigure</artifactId>
-    <version>1.1.0</version>
+    <version>2.0.0</version>
     <name>nexmo-spring-boot-autoconfigure</name>
     <description>Spring Boot Auto Configuration for Nexmo</description>
     <url>https://github.com/nexmo/nexmo-spring-boot-starter</url>
@@ -65,9 +65,9 @@
         </dependency>
 
         <dependency>
-            <groupId>com.nexmo</groupId>
+            <groupId>com.vonage</groupId>
             <artifactId>client</artifactId>
-            <version>${nexmo.version}</version>
+            <version>${vonage.version}</version>
             <optional>true</optional>
         </dependency>
 
@@ -149,7 +149,7 @@
             <plugin>
                 <groupId>org.jacoco</groupId>
                 <artifactId>jacoco-maven-plugin</artifactId>
-                <version>0.8.4</version>
+                <version>0.8.5</version>
                 <executions>
                     <execution>
                         <goals>
diff --git a/nexmo-spring-boot-autoconfigure/src/main/kotlin/com/nexmo/starter/NexmoAutoConfiguration.kt b/nexmo-spring-boot-autoconfigure/src/main/kotlin/com/nexmo/starter/NexmoAutoConfiguration.kt
index c916664..bdc4b4e 100644
--- a/nexmo-spring-boot-autoconfigure/src/main/kotlin/com/nexmo/starter/NexmoAutoConfiguration.kt
+++ b/nexmo-spring-boot-autoconfigure/src/main/kotlin/com/nexmo/starter/NexmoAutoConfiguration.kt
@@ -21,17 +21,17 @@
  */
 package com.nexmo.starter
 
-import com.nexmo.client.NexmoClient
-import com.nexmo.client.account.AccountClient
-import com.nexmo.client.applications.ApplicationClient
-import com.nexmo.client.conversion.ConversionClient
-import com.nexmo.client.insight.InsightClient
-import com.nexmo.client.numbers.NumbersClient
-import com.nexmo.client.redact.RedactClient
-import com.nexmo.client.sms.SmsClient
-import com.nexmo.client.sns.SnsClient
-import com.nexmo.client.verify.VerifyClient
-import com.nexmo.client.voice.VoiceClient
+import com.vonage.client.VonageClient
+import com.vonage.client.account.AccountClient
+import com.vonage.client.application.ApplicationClient
+import com.vonage.client.conversion.ConversionClient
+import com.vonage.client.insight.InsightClient
+import com.vonage.client.numbers.NumbersClient
+import com.vonage.client.redact.RedactClient
+import com.vonage.client.sms.SmsClient
+import com.vonage.client.sns.SnsClient
+import com.vonage.client.verify.VerifyClient
+import com.vonage.client.voice.VoiceClient
 import org.jetbrains.annotations.NotNull
 import org.springframework.boot.autoconfigure.condition.ConditionalOnClass
 import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean
@@ -42,7 +42,7 @@ import org.springframework.context.annotation.Configuration
 import org.springframework.context.annotation.Lazy
 
 @Configuration
-@ConditionalOnClass(NexmoClient::class)
+@ConditionalOnClass(VonageClient::class)
 @EnableConfigurationProperties(NexmoCredentialsProperties::class)
 open class NexmoAutoConfiguration(
     private val nexmoProperties: NexmoCredentialsProperties
@@ -52,12 +52,12 @@ open class NexmoAutoConfiguration(
     @ConditionalOnProperty(prefix = "nexmo.creds", value = ["api-key", "secret"])
     @Lazy
     @NotNull
-    open fun nexmoBuilder(): NexmoClient.Builder {
+    open fun vonageBuilder(): VonageClient.Builder {
         if (nexmoProperties.privateKeyContents.isNotBlank() && nexmoProperties.privateKeyPath.isNotBlank()) {
             throw IllegalArgumentException("Found both private key path and private key contents. Only one option can be used at a time.")
         }
 
-        val builder = NexmoClient.builder()
+        val builder = VonageClient.builder()
             .apiKey(nexmoProperties.apiKey)
             .apiSecret(nexmoProperties.secret)
 
@@ -85,75 +85,75 @@ open class NexmoAutoConfiguration(
     @ConditionalOnProperty(prefix = "nexmo.creds", value = ["api-key", "secret"])
     @Lazy
     @NotNull
-    open fun nexmoClient(builder: NexmoClient.Builder): NexmoClient = builder.build()
+    open fun vonageClient(builder: VonageClient.Builder): VonageClient = builder.build()
 
     @Bean
     @ConditionalOnMissingBean
     @ConditionalOnProperty(prefix = "nexmo.creds", value = ["api-key", "secret"])
     @Lazy
     @NotNull
-    open fun accountClient(nexmoClient: NexmoClient): AccountClient = nexmoClient.accountClient
+    open fun accountClient(vonageClient: VonageClient): AccountClient = vonageClient.accountClient
 
     @Bean
     @ConditionalOnMissingBean
     @ConditionalOnProperty(prefix = "nexmo.creds", value = ["api-key", "secret"])
     @Lazy
     @NotNull
-    open fun applicationClient(nexmoClient: NexmoClient): ApplicationClient = nexmoClient.applicationClient
+    open fun applicationClient(vonageClient: VonageClient): ApplicationClient = vonageClient.applicationClient
 
     @Bean
     @ConditionalOnMissingBean
     @ConditionalOnProperty(prefix = "nexmo.creds", value = ["api-key", "secret"])
     @Lazy
     @NotNull
-    open fun conversionClient(nexmoClient: NexmoClient): ConversionClient = nexmoClient.conversionClient
+    open fun conversionClient(vonageClient: VonageClient): ConversionClient = vonageClient.conversionClient
 
     @Bean
     @ConditionalOnMissingBean
     @ConditionalOnProperty(prefix = "nexmo.creds", value = ["api-key", "secret"])
     @Lazy
     @NotNull
-    open fun insightClient(nexmoClient: NexmoClient): InsightClient = nexmoClient.insightClient
+    open fun insightClient(vonageClient: VonageClient): InsightClient = vonageClient.insightClient
 
     @Bean
     @ConditionalOnMissingBean
     @ConditionalOnProperty(prefix = "nexmo.creds", value = ["api-key", "secret"])
     @Lazy
     @NotNull
-    open fun numbersClient(nexmoClient: NexmoClient): NumbersClient = nexmoClient.numbersClient
+    open fun numbersClient(vonageClient: VonageClient): NumbersClient = vonageClient.numbersClient
 
     @Bean
     @ConditionalOnMissingBean
     @ConditionalOnProperty(prefix = "nexmo.creds", value = ["api-key", "secret"])
     @Lazy
     @NotNull
-    open fun redactClient(nexmoClient: NexmoClient): RedactClient = nexmoClient.redactClient
+    open fun redactClient(vonageClient: VonageClient): RedactClient = vonageClient.redactClient
 
     @Bean
     @ConditionalOnMissingBean
     @ConditionalOnProperty(prefix = "nexmo.creds", value = ["api-key", "secret"])
     @Lazy
     @NotNull
-    open fun smsClient(nexmoClient: NexmoClient): SmsClient = nexmoClient.smsClient
+    open fun smsClient(vonageClient: VonageClient): SmsClient = vonageClient.smsClient
 
     @Bean
     @ConditionalOnMissingBean
     @ConditionalOnProperty(prefix = "nexmo.creds", value = ["api-key", "secret"])
     @Lazy
     @NotNull
-    open fun snsClient(nexmoClient: NexmoClient): SnsClient = nexmoClient.snsClient
+    open fun snsClient(vonageClient: VonageClient): SnsClient = vonageClient.snsClient
 
     @Bean
     @ConditionalOnMissingBean
     @ConditionalOnProperty(prefix = "nexmo.creds", value = ["api-key", "secret"])
     @Lazy
     @NotNull
-    open fun verifyClient(nexmoClient: NexmoClient): VerifyClient = nexmoClient.verifyClient
+    open fun verifyClient(vonageClient: VonageClient): VerifyClient = vonageClient.verifyClient
 
     @Bean
     @ConditionalOnMissingBean
     @ConditionalOnProperty(prefix = "nexmo.creds", value = ["api-key", "secret", "application-id"])
     @Lazy
     @NotNull
-    open fun voiceClient(nexmoClient: NexmoClient): VoiceClient = nexmoClient.voiceClient
+    open fun voiceClient(vonageClient: VonageClient): VoiceClient = vonageClient.voiceClient
 }
diff --git a/nexmo-spring-boot-autoconfigure/src/test/kotlin/com/nexmo/starter/NexmoAutoConfigurationBuilderTest.kt b/nexmo-spring-boot-autoconfigure/src/test/kotlin/com/nexmo/starter/NexmoAutoConfigurationBuilderTest.kt
index 424cb21..8762d17 100644
--- a/nexmo-spring-boot-autoconfigure/src/test/kotlin/com/nexmo/starter/NexmoAutoConfigurationBuilderTest.kt
+++ b/nexmo-spring-boot-autoconfigure/src/test/kotlin/com/nexmo/starter/NexmoAutoConfigurationBuilderTest.kt
@@ -21,7 +21,7 @@
  */
 package com.nexmo.starter
 
-import com.nexmo.client.NexmoClient
+import com.vonage.client.VonageClient
 import org.assertj.core.api.Assertions.assertThat
 import org.junit.Assert.assertEquals
 import org.junit.Test
@@ -45,9 +45,9 @@ class NexmoAutoConfigurationBuilderTest {
             "nexmo.creds.api-key=api-key",
             "nexmo.creds.secret=secret"
         ).run {
-            assertThat(it).hasSingleBean(NexmoClient.Builder::class.java)
+            assertThat(it).hasSingleBean(VonageClient.Builder::class.java)
             // Since the bean is @Lazy, it needs to be requested.
-            val builder = it.getBean("nexmoBuilder")
+            val builder = it.getBean("vonageBuilder")
             val apiKey = ReflectionTestUtils.getField(builder, "apiKey") as String
             val secret = ReflectionTestUtils.getField(builder, "apiSecret") as String
 
@@ -63,9 +63,9 @@ class NexmoAutoConfigurationBuilderTest {
             "nexmo.creds.secret=secret",
             "nexmo.creds.application-id=app-id"
         ).run {
-            assertThat(it).hasSingleBean(NexmoClient.Builder::class.java)
+            assertThat(it).hasSingleBean(VonageClient.Builder::class.java)
             // Since the bean is @Lazy, it needs to be requested.
-            val builder = it.getBean("nexmoBuilder")
+            val builder = it.getBean("vonageBuilder")
             val appId = ReflectionTestUtils.getField(builder, "applicationId") as String
 
             assertEquals("app-id", appId)
@@ -80,9 +80,9 @@ class NexmoAutoConfigurationBuilderTest {
             "nexmo.creds.private-key-path=src/test/resources/testing.key",
             "nexmo.creds.private-key-contents=${keyContents}"
         ).run {
-            assertThat(it).hasSingleBean(NexmoClient.Builder::class.java)
+            assertThat(it).hasSingleBean(VonageClient.Builder::class.java)
             // Since the bean is @Lazy, it needs to be requested.
-            it.getBean("nexmoBuilder")
+            it.getBean("vonageBuilder")
         }
     }
 
@@ -93,9 +93,9 @@ class NexmoAutoConfigurationBuilderTest {
             "nexmo.creds.secret=secret",
             "nexmo.creds.private-key-contents=${keyContents}"
         ).run {
-            assertThat(it).hasSingleBean(NexmoClient.Builder::class.java)
+            assertThat(it).hasSingleBean(VonageClient.Builder::class.java)
             // Since the bean is @Lazy, it needs to be requested.
-            val builder = it.getBean("nexmoBuilder")
+            val builder = it.getBean("vonageBuilder")
             val builderKeyContents = ReflectionTestUtils.getField(builder, "privateKeyContents") as ByteArray
 
             assertEquals(keyContents, builderKeyContents.toString(Charset.forName("UTF-8")))
@@ -109,9 +109,9 @@ class NexmoAutoConfigurationBuilderTest {
             "nexmo.creds.secret=secret",
             "nexmo.creds.private-key-path=src/test/resources/testing.key"
         ).run {
-            assertThat(it).hasSingleBean(NexmoClient.Builder::class.java)
+            assertThat(it).hasSingleBean(VonageClient.Builder::class.java)
             // Since the bean is @Lazy, it needs to be requested.
-            val builder = it.getBean("nexmoBuilder")
+            val builder = it.getBean("vonageBuilder")
             val builderKeyContents = ReflectionTestUtils.getField(builder, "privateKeyContents") as ByteArray
 
             assertEquals(keyContents, builderKeyContents.toString(Charset.forName("UTF-8")))
@@ -125,9 +125,9 @@ class NexmoAutoConfigurationBuilderTest {
             "nexmo.creds.secret=secret",
             "nexmo.creds.signature=signature"
         ).run {
-            assertThat(it).hasSingleBean(NexmoClient.Builder::class.java)
+            assertThat(it).hasSingleBean(VonageClient.Builder::class.java)
             // Since the bean is @Lazy, it needs to be requested.
-            val builder = it.getBean("nexmoBuilder")
+            val builder = it.getBean("vonageBuilder")
             val signature = ReflectionTestUtils.getField(builder, "signatureSecret") as String
 
             assertEquals("signature", signature)
diff --git a/nexmo-spring-boot-autoconfigure/src/test/kotlin/com/nexmo/starter/NexmoAutoConfigurationConditionOnMissingBeanTest.kt b/nexmo-spring-boot-autoconfigure/src/test/kotlin/com/nexmo/starter/NexmoAutoConfigurationConditionOnMissingBeanTest.kt
index 5aa91da..c952b44 100644
--- a/nexmo-spring-boot-autoconfigure/src/test/kotlin/com/nexmo/starter/NexmoAutoConfigurationConditionOnMissingBeanTest.kt
+++ b/nexmo-spring-boot-autoconfigure/src/test/kotlin/com/nexmo/starter/NexmoAutoConfigurationConditionOnMissingBeanTest.kt
@@ -21,18 +21,18 @@
  */
 package com.nexmo.starter
 
-import com.nexmo.client.HttpWrapper
-import com.nexmo.client.NexmoClient
-import com.nexmo.client.account.AccountClient
-import com.nexmo.client.applications.ApplicationClient
-import com.nexmo.client.conversion.ConversionClient
-import com.nexmo.client.insight.InsightClient
-import com.nexmo.client.numbers.NumbersClient
-import com.nexmo.client.redact.RedactClient
-import com.nexmo.client.sms.SmsClient
-import com.nexmo.client.sns.SnsClient
-import com.nexmo.client.verify.VerifyClient
-import com.nexmo.client.voice.VoiceClient
+import com.vonage.client.HttpWrapper
+import com.vonage.client.VonageClient
+import com.vonage.client.account.AccountClient
+import com.vonage.client.application.ApplicationClient
+import com.vonage.client.conversion.ConversionClient
+import com.vonage.client.insight.InsightClient
+import com.vonage.client.numbers.NumbersClient
+import com.vonage.client.redact.RedactClient
+import com.vonage.client.sms.SmsClient
+import com.vonage.client.sns.SnsClient
+import com.vonage.client.verify.VerifyClient
+import com.vonage.client.voice.VoiceClient
 import org.assertj.core.api.Assertions.assertThat
 import org.junit.Assert.assertEquals
 import org.junit.Test
@@ -48,12 +48,12 @@ class NexmoAutoConfigurationConditionOnMissingBeanTest {
     @Test
     fun `when user defines a builder then only that builder is in the container`() {
         contextRunner.withUserConfiguration(
-            WithNexmoClientBuilder::class.java
+            WithVonageClientBuilder::class.java
         ).withPropertyValues(
             "nexmo.creds.api-key=api-key", "nexmo.creds.secret=secret"
         ).run {
-            assertThat(it).hasSingleBean(NexmoClient.Builder::class.java)
-            assertThat(it).doesNotHaveBean("nexmoBuilder")
+            assertThat(it).hasSingleBean(VonageClient.Builder::class.java)
+            assertThat(it).doesNotHaveBean("vonageBuilder")
             assertThat(it).hasBean("testBuilder")
 
         }
@@ -62,13 +62,13 @@ class NexmoAutoConfigurationConditionOnMissingBeanTest {
     @Test
     fun `when user defines a nexmo client then only that client is in the container`() {
         contextRunner.withUserConfiguration(
-            WithNexmoClient::class.java
+            WithVonageClient::class.java
         ).withPropertyValues(
             "nexmo.creds.api-key=api-key", "nexmo.creds.secret=secret"
         ).run {
-            assertThat(it).hasSingleBean(NexmoClient::class.java)
-            assertThat(it).doesNotHaveBean("nexmoClient")
-            assertThat(it).hasBean("testNexmoClient")
+            assertThat(it).hasSingleBean(VonageClient::class.java)
+            assertThat(it).doesNotHaveBean("VonageClient")
+            assertThat(it).hasBean("testVonageClient")
 
         }
     }
@@ -216,11 +216,11 @@ class NexmoAutoConfigurationConditionOnMissingBeanTest {
     @Test
     fun `when user defines a builder then that builder is used to build the Nexmo Client`() {
         contextRunner.withUserConfiguration(
-            WithNexmoClientBuilderHavingCustomBaseUri::class.java
+            WithVonageClientBuilderHavingCustomBaseUri::class.java
         ).withPropertyValues(
             "nexmo.creds.api-key=api-key", "nexmo.creds.secret=secret"
         ).run {
-            val client = it.getBean(NexmoClient::class.java)
+            val client = it.getBean(VonageClient::class.java)
             val wrapper = ReflectionTestUtils.getField(client, "httpWrapper") as HttpWrapper
 
             assertEquals("https://example.com", wrapper.httpConfig.apiBaseUri)
diff --git a/nexmo-spring-boot-autoconfigure/src/test/kotlin/com/nexmo/starter/NexmoAutoConfigurationConditionOnPropertyTest.kt b/nexmo-spring-boot-autoconfigure/src/test/kotlin/com/nexmo/starter/NexmoAutoConfigurationConditionOnPropertyTest.kt
index a357e37..f32ce7e 100644
--- a/nexmo-spring-boot-autoconfigure/src/test/kotlin/com/nexmo/starter/NexmoAutoConfigurationConditionOnPropertyTest.kt
+++ b/nexmo-spring-boot-autoconfigure/src/test/kotlin/com/nexmo/starter/NexmoAutoConfigurationConditionOnPropertyTest.kt
@@ -21,17 +21,17 @@
  */
 package com.nexmo.starter
 
-import com.nexmo.client.NexmoClient
-import com.nexmo.client.account.AccountClient
-import com.nexmo.client.applications.ApplicationClient
-import com.nexmo.client.conversion.ConversionClient
-import com.nexmo.client.insight.InsightClient
-import com.nexmo.client.numbers.NumbersClient
-import com.nexmo.client.redact.RedactClient
-import com.nexmo.client.sms.SmsClient
-import com.nexmo.client.sns.SnsClient
-import com.nexmo.client.verify.VerifyClient
-import com.nexmo.client.voice.VoiceClient
+import com.vonage.client.VonageClient
+import com.vonage.client.account.AccountClient
+import com.vonage.client.application.ApplicationClient
+import com.vonage.client.conversion.ConversionClient
+import com.vonage.client.insight.InsightClient
+import com.vonage.client.numbers.NumbersClient
+import com.vonage.client.redact.RedactClient
+import com.vonage.client.sms.SmsClient
+import com.vonage.client.sns.SnsClient
+import com.vonage.client.verify.VerifyClient
+import com.vonage.client.voice.VoiceClient
 import org.assertj.core.api.Assertions.assertThat
 import org.junit.Test
 import org.springframework.boot.autoconfigure.AutoConfigurations
@@ -48,7 +48,7 @@ class NexmoAutoConfigurationConditionOnPropertyTest {
         contextRunner.withPropertyValues(
             "nexmo.creds.secret=secret"
         ).run {
-            assertThat(it).doesNotHaveBean(NexmoClient.Builder::class.java)
+            assertThat(it).doesNotHaveBean(VonageClient.Builder::class.java)
         }
     }
 
@@ -57,7 +57,7 @@ class NexmoAutoConfigurationConditionOnPropertyTest {
         contextRunner.withPropertyValues(
             "nexmo.creds.api-key=key"
         ).run {
-            assertThat(it).doesNotHaveBean(NexmoClient.Builder::class.java)
+            assertThat(it).doesNotHaveBean(VonageClient.Builder::class.java)
         }
     }
 
@@ -66,8 +66,8 @@ class NexmoAutoConfigurationConditionOnPropertyTest {
         contextRunner.withPropertyValues(
             "nexmo.creds.secret=secret", "nexmo.creds.api-key=key"
         ).run {
-            assertThat(it).hasSingleBean(NexmoClient.Builder::class.java)
-            assertNotNull(it.getBean(NexmoClient.Builder::class.java))
+            assertThat(it).hasSingleBean(VonageClient.Builder::class.java)
+            assertNotNull(it.getBean(VonageClient.Builder::class.java))
         }
     }
 
@@ -76,7 +76,7 @@ class NexmoAutoConfigurationConditionOnPropertyTest {
         contextRunner.withPropertyValues(
             "nexmo.creds.secret=secret"
         ).run {
-            assertThat(it).doesNotHaveBean(NexmoClient::class.java)
+            assertThat(it).doesNotHaveBean(VonageClient::class.java)
         }
     }
 
@@ -85,7 +85,7 @@ class NexmoAutoConfigurationConditionOnPropertyTest {
         contextRunner.withPropertyValues(
             "nexmo.creds.api-key=key"
         ).run {
-            assertThat(it).doesNotHaveBean(NexmoClient::class.java)
+            assertThat(it).doesNotHaveBean(VonageClient::class.java)
         }
     }
 
@@ -94,8 +94,8 @@ class NexmoAutoConfigurationConditionOnPropertyTest {
         contextRunner.withPropertyValues(
             "nexmo.creds.secret=secret", "nexmo.creds.api-key=key"
         ).run {
-            assertThat(it).hasSingleBean(NexmoClient::class.java)
-            assertNotNull(it.getBean(NexmoClient::class.java))
+            assertThat(it).hasSingleBean(VonageClient::class.java)
+            assertNotNull(it.getBean(VonageClient::class.java))
         }
     }
 
diff --git a/nexmo-spring-boot-autoconfigure/src/test/kotlin/com/nexmo/starter/TestConfigurationClasses.kt b/nexmo-spring-boot-autoconfigure/src/test/kotlin/com/nexmo/starter/TestConfigurationClasses.kt
index 6384bf0..6e66849 100644
--- a/nexmo-spring-boot-autoconfigure/src/test/kotlin/com/nexmo/starter/TestConfigurationClasses.kt
+++ b/nexmo-spring-boot-autoconfigure/src/test/kotlin/com/nexmo/starter/TestConfigurationClasses.kt
@@ -21,89 +21,89 @@
  */
 package com.nexmo.starter
 
-import com.nexmo.client.HttpConfig
-import com.nexmo.client.NexmoClient
+import com.vonage.client.HttpConfig
+import com.vonage.client.VonageClient
 import org.springframework.context.annotation.Bean
 import org.springframework.context.annotation.Configuration
 
 @Configuration
-open class WithNexmoClientBuilder {
+open class WithVonageClientBuilder {
     @Bean(name = ["testBuilder"])
-    open fun builder(): NexmoClient.Builder {
-        return NexmoClient.builder()
+    open fun builder(): VonageClient.Builder {
+        return VonageClient.builder()
     }
 }
 
 @Configuration
-open class WithNexmoClientBuilderHavingCustomBaseUri {
+open class WithVonageClientBuilderHavingCustomBaseUri {
     @Bean(name = ["testBuilder"])
-    open fun builder(): NexmoClient.Builder {
-        return NexmoClient.builder().httpConfig(HttpConfig.builder().baseUri("https://example.com").build())
+    open fun builder(): VonageClient.Builder {
+        return VonageClient.builder().httpConfig(HttpConfig.builder().baseUri("https://example.com").build())
     }
 }
 
 @Configuration
-open class WithNexmoClient {
-    @Bean(name = ["testNexmoClient"])
-    open fun client() = NexmoClient.builder().build()
+open class WithVonageClient {
+    @Bean(name = ["testVonageClient"])
+    open fun client() = VonageClient.builder().build()
 }
 
 @Configuration
 open class WithAccountClient {
     @Bean(name = ["testAccountClient"])
-    open fun builder() = NexmoClient.builder().build().accountClient
+    open fun builder() = VonageClient.builder().build().accountClient
 }
 
 @Configuration
 open class WithApplicationClient {
     @Bean(name = ["testApplicationClient"])
-    open fun builder() = NexmoClient.builder().build().applicationClient
+    open fun builder() = VonageClient.builder().build().applicationClient
 }
 
 @Configuration
 open class WithConversionClient {
     @Bean(name = ["testConversionClient"])
-    open fun builder() = NexmoClient.builder().build().conversionClient
+    open fun builder() = VonageClient.builder().build().conversionClient
 }
 
 @Configuration
 open class WithInsightClient {
     @Bean(name = ["testInsightClient"])
-    open fun builder() = NexmoClient.builder().build().insightClient
+    open fun builder() = VonageClient.builder().build().insightClient
 }
 
 @Configuration
 open class WithNumbersClient {
     @Bean(name = ["testNumbersClient"])
-    open fun builder() = NexmoClient.builder().build().numbersClient
+    open fun builder() = VonageClient.builder().build().numbersClient
 }
 
 @Configuration
 open class WithRedactClient {
     @Bean(name = ["testRedactClient"])
-    open fun builder() = NexmoClient.builder().build().redactClient
+    open fun builder() = VonageClient.builder().build().redactClient
 }
 
 @Configuration
 open class WithSmsClient {
     @Bean(name = ["testSmsClient"])
-    open fun builder() = NexmoClient.builder().build().smsClient
+    open fun builder() = VonageClient.builder().build().smsClient
 }
 
 @Configuration
 open class WithSnsClient {
     @Bean(name = ["testSnsClient"])
-    open fun builder() = NexmoClient.builder().build().snsClient
+    open fun builder() = VonageClient.builder().build().snsClient
 }
 
 @Configuration
 open class WithVerifyClient {
     @Bean(name = ["testVerifyClient"])
-    open fun builder() = NexmoClient.builder().build().verifyClient
+    open fun builder() = VonageClient.builder().build().verifyClient
 }
 
 @Configuration
 open class WithVoiceClient {
     @Bean(name = ["testVoiceClient"])
-    open fun builder() = NexmoClient.builder().build().voiceClient
+    open fun builder() = VonageClient.builder().build().voiceClient
 }
\ No newline at end of file
diff --git a/nexmo-spring-boot-starter/pom.xml b/nexmo-spring-boot-starter/pom.xml
index b8f9b69..69b21f7 100644
--- a/nexmo-spring-boot-starter/pom.xml
+++ b/nexmo-spring-boot-starter/pom.xml
@@ -6,10 +6,10 @@
     <parent>
         <groupId>com.nexmo</groupId>
         <artifactId>nexmo-starter</artifactId>
-        <version>1.1.0</version>
+        <version>2.0.0</version>
     </parent>
     <artifactId>nexmo-spring-boot-starter</artifactId>
-    <version>1.1.0</version>
+    <version>2.0.0</version>
     <name>nexmo-spring-boot-starter</name>
     <description>Nexmo Spring Boot Starter</description>
     <url>https://github.com/nexmo/nexmo-spring-boot-starter</url>
@@ -44,12 +44,12 @@
         <dependency>
             <groupId>com.nexmo</groupId>
             <artifactId>client</artifactId>
-            <version>${nexmo.version}</version>
+            <version>${vonage.version}</version>
         </dependency>
         <dependency>
             <groupId>com.nexmo</groupId>
             <artifactId>nexmo-spring-boot-autoconfigure</artifactId>
-            <version>1.1.0</version>
+            <version>2.0.0</version>
         </dependency>
     </dependencies>
     <properties>
diff --git a/nexmo-spring-boot-test-application/pom.xml b/nexmo-spring-boot-test-application/pom.xml
index d5abb7d..3e9a6ee 100644
--- a/nexmo-spring-boot-test-application/pom.xml
+++ b/nexmo-spring-boot-test-application/pom.xml
@@ -6,10 +6,10 @@
     <parent>
         <groupId>com.nexmo</groupId>
         <artifactId>nexmo-starter</artifactId>
-        <version>1.1.0</version>
+        <version>2.0.0</version>
     </parent>
     <artifactId>nexmo-spring-boot-test-application</artifactId>
-    <version>1.1.0</version>
+    <version>2.0.0</version>
     <name>nexmo-spring-boot-test-application</name>
     <url>http://maven.apache.org</url>
     <dependencies>
@@ -22,7 +22,7 @@
         <dependency>
             <groupId>com.nexmo</groupId>
             <artifactId>nexmo-spring-boot-starter</artifactId>
-            <version>1.1.0</version>
+            <version>2.0.0</version>
         </dependency>
 
         <dependency>
@@ -35,6 +35,12 @@
             <artifactId>kotlin-stdlib-jdk8</artifactId>
             <version>${kotlin.version}</version>
         </dependency>
+        <dependency>
+            <groupId>com.vonage</groupId>
+            <artifactId>client</artifactId>
+            <version>5.5.0</version>
+            <scope>compile</scope>
+        </dependency>
     </dependencies>
 
     <build>
diff --git a/nexmo-spring-boot-test-application/src/main/kotlin/com/nexmo/starter/BalanceController.kt b/nexmo-spring-boot-test-application/src/main/kotlin/com/nexmo/starter/BalanceController.kt
index 0b5539e..8a0735d 100644
--- a/nexmo-spring-boot-test-application/src/main/kotlin/com/nexmo/starter/BalanceController.kt
+++ b/nexmo-spring-boot-test-application/src/main/kotlin/com/nexmo/starter/BalanceController.kt
@@ -21,16 +21,16 @@
  */
 package com.nexmo.starter
 
-import com.nexmo.client.NexmoClient
+import com.vonage.client.VonageClient
 import org.springframework.web.bind.annotation.GetMapping
 import org.springframework.web.bind.annotation.RestController
 
 @RestController
 class BalanceController(
-    val nexmoClient: NexmoClient
+    val vonageClient: VonageClient
 ) {
     @GetMapping("balance")
     fun get(): Double {
-        return nexmoClient.accountClient.balance.value
+        return vonageClient.accountClient.balance.value
     }
 }
\ No newline at end of file
diff --git a/pom.xml b/pom.xml
index bf98467..f40656a 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
 
     <groupId>com.nexmo</groupId>
     <artifactId>nexmo-starter</artifactId>
-    <version>1.1.0</version>
+    <version>2.0.0</version>
     <packaging>pom</packaging>
 
     <name>nexmo-starter</name>
@@ -41,7 +41,7 @@
     <parent>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-parent</artifactId>
-        <version>2.1.4.RELEASE</version>
+        <version>2.3.2.RELEASE</version>
     </parent>
 
     <modules>
@@ -137,7 +137,7 @@
     <properties>
         <java.version>1.8</java.version>
         <kotlin.version>1.3.31</kotlin.version>
-        <nexmo.version>4.4.0</nexmo.version>
-        <spring-boot.version>2.1.4.RELEASE</spring-boot.version>
+        <vonage.version>5.5.0</vonage.version>
+        <spring-boot.version>2.3.2.RELEASE</spring-boot.version>
     </properties>
-</project>
\ No newline at end of file
+</project>