diff --git a/pom.xml b/pom.xml
index 6b9d8613f..72bf3e03c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -68,7 +68,7 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>grpc-gcp</artifactId>
-        <version>1.9.0</version>
+        <version>1.9.1</version>
       </dependency>
       <dependency>
         <groupId>com.google.cloud</groupId>
diff --git a/samples/spring-data-jdbc/googlesql/pom.xml b/samples/spring-data-jdbc/googlesql/pom.xml
index b30af0dfd..9c31363c9 100644
--- a/samples/spring-data-jdbc/googlesql/pom.xml
+++ b/samples/spring-data-jdbc/googlesql/pom.xml
@@ -37,7 +37,7 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>grpc-gcp</artifactId>
-        <version>1.9.0</version>
+        <version>1.9.1</version>
       </dependency>
       <dependency>
         <groupId>com.google.cloud</groupId>
diff --git a/samples/spring-data-jdbc/postgresql/pom.xml b/samples/spring-data-jdbc/postgresql/pom.xml
index ea0f19d9a..b86dcea5c 100644
--- a/samples/spring-data-jdbc/postgresql/pom.xml
+++ b/samples/spring-data-jdbc/postgresql/pom.xml
@@ -37,7 +37,7 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>grpc-gcp</artifactId>
-        <version>1.9.0</version>
+        <version>1.9.1</version>
       </dependency>
       <dependency>
         <groupId>com.google.cloud</groupId>
diff --git a/samples/spring-data-mybatis/googlesql/pom.xml b/samples/spring-data-mybatis/googlesql/pom.xml
index 3d6d23a49..22075ceb7 100644
--- a/samples/spring-data-mybatis/googlesql/pom.xml
+++ b/samples/spring-data-mybatis/googlesql/pom.xml
@@ -42,7 +42,7 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>grpc-gcp</artifactId>
-        <version>1.9.0</version>
+        <version>1.9.1</version>
       </dependency>
       <dependency>
         <groupId>com.google.cloud</groupId>