binance · theo-s68 · May 1, 2026 · May 1, 2026
diff --git a/clients/algo/CHANGELOG.md b/clients/algo/CHANGELOG.md
@@ -1,5 +1,8 @@
 # Changelog
 
+## 1.2.2 - 2026-04-30
+- Update `binance/common` module to version `2.4.2`.
+
 ## 1.2.1 - 2025-08-07
 - Update `binance/common` module to version `2.0.0`.
 - Add `Content-Type` header only if there is a body.

diff --git a/clients/algo/pom.xml b/clients/algo/pom.xml
@@ -5,13 +5,13 @@
     <modelVersion>4.0.0</modelVersion>
     <artifactId>binance-algo</artifactId>
     <name>algo</name>
-    <version>1.2.1</version>
+    <version>1.2.2</version>
     <packaging>jar</packaging>
 
     <parent>
         <groupId>io.github.binance</groupId>
         <artifactId>binance-connector-java-clients</artifactId>
-        <version>1.1.1</version>
+        <version>1.1.2</version>
     </parent>
 
     <build>
@@ -31,7 +31,7 @@
         <dependency>
             <groupId>io.github.binance</groupId>
             <artifactId>binance-common</artifactId>
-            <version>2.0.0</version>
+            <version>2.4.2</version>
         </dependency>
     </dependencies>
 </project>
diff --git a/clients/alpha/CHANGELOG.md b/clients/alpha/CHANGELOG.md
@@ -1,5 +1,8 @@
 # Changelog
 
+## 1.0.1 - 2026-04-30
+- Update `binance/common` module to version `2.4.2`.
+
 ## 1.0.0 - 2026-01-20
 
 - Initial release
diff --git a/clients/alpha/pom.xml b/clients/alpha/pom.xml
@@ -5,13 +5,13 @@
     <modelVersion>4.0.0</modelVersion>
     <artifactId>binance-alpha</artifactId>
     <name>alpha</name>
-    <version>1.0.0</version>
+    <version>1.0.1</version>
     <packaging>jar</packaging>
 
     <parent>
         <groupId>io.github.binance</groupId>
         <artifactId>binance-connector-java-clients</artifactId>
-        <version>1.1.1</version>
+        <version>1.1.2</version>
     </parent>
 
     <build>
@@ -31,7 +31,7 @@
         <dependency>
             <groupId>io.github.binance</groupId>
             <artifactId>binance-common</artifactId>
-            <version>2.3.1</version>
+            <version>2.4.2</version>
         </dependency>
     </dependencies>
 </project>
diff --git a/clients/c2c/CHANGELOG.md b/clients/c2c/CHANGELOG.md
@@ -1,5 +1,8 @@
 # Changelog
 
+## 2.0.1 - 2026-04-30
+- Update `binance/common` module to version `2.4.2`.
+
 ## 2.0.0 - 2025-12-16
 
 ### Changed (6)

diff --git a/clients/c2c/pom.xml b/clients/c2c/pom.xml
@@ -5,13 +5,13 @@
     <modelVersion>4.0.0</modelVersion>
     <artifactId>binance-c2c</artifactId>
     <name>c2c</name>
-    <version>2.0.0</version>
+    <version>2.0.1</version>
     <packaging>jar</packaging>
 
     <parent>
         <groupId>io.github.binance</groupId>
         <artifactId>binance-connector-java-clients</artifactId>
-        <version>1.1.1</version>
+        <version>1.1.2</version>
     </parent>
 
     <build>
@@ -31,7 +31,7 @@
         <dependency>
             <groupId>io.github.binance</groupId>
             <artifactId>binance-common</artifactId>
-            <version>2.2.1</version>
+            <version>2.4.2</version>
         </dependency>
     </dependencies>
 </project>
diff --git a/clients/common/pom.xml b/clients/common/pom.xml
@@ -5,11 +5,11 @@
     <parent>
         <groupId>io.github.binance</groupId>
         <artifactId>binance-connector-java-clients</artifactId>
-        <version>1.1.1</version>
+        <version>1.1.2</version>
     </parent>
 
     <artifactId>binance-common</artifactId>
     <name>common</name>
-    <version>2.4.1</version>
+    <version>2.4.2</version>
     <packaging>jar</packaging>
 </project>
diff --git a/...mon/src/main/java/com/binance/connector/client/common/auth/SignatureGeneratorFactory.java b/...mon/src/main/java/com/binance/connector/client/common/auth/SignatureGeneratorFactory.java
@@ -6,6 +6,7 @@
 import com.binance.connector.client.common.sign.PrivateKey;
 import com.binance.connector.client.common.sign.SignatureGenerator;
 import java.io.IOException;
+import java.nio.charset.StandardCharsets;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.nio.file.Paths;
@@ -18,7 +19,7 @@ public SignatureGenerator getSignatureGenerator(SignatureConfiguration configura
             byte[] privateKeyContent;
             // check if it is the private key content, or path to private key
             if (hasPrivateKeyHeader(privateKeyConfig)) {
-                privateKeyContent = privateKeyConfig.getBytes();
+                privateKeyContent = privateKeyConfig.getBytes(StandardCharsets.UTF_8);
             } else {
                 Path path = Paths.get(privateKeyConfig);
                 try {

diff --git a/...common/src/main/java/com/binance/connector/client/common/sign/HmacSignatureGenerator.java b/...common/src/main/java/com/binance/connector/client/common/sign/HmacSignatureGenerator.java
@@ -5,6 +5,8 @@
 import org.apache.commons.codec.binary.Hex;
 import org.bouncycastle.crypto.CryptoException;
 
+import java.nio.charset.StandardCharsets;
+
 public class HmacSignatureGenerator implements SignatureGenerator {
     private static final String HMAC_SHA256 = "HmacSHA256";
     private final String apiSecret;
@@ -16,14 +18,14 @@ public HmacSignatureGenerator(String apiSecret) {
 
     @Override
     public byte[] sign(String input) throws CryptoException {
-        return sign(input.getBytes());
+        return sign(input.getBytes(StandardCharsets.UTF_8));
     }
 
     @Override
     public byte[] sign(byte[] input) throws CryptoException {
         byte[] hmacSha256;
         try {
-            SecretKeySpec secretKeySpec = new SecretKeySpec(apiSecret.getBytes(), HMAC_SHA256);
+            SecretKeySpec secretKeySpec = new SecretKeySpec(apiSecret.getBytes(StandardCharsets.UTF_8), HMAC_SHA256);
             Mac mac = Mac.getInstance(HMAC_SHA256);
             mac.init(secretKeySpec);
             hmacSha256 = mac.doFinal(input);
@@ -35,7 +37,7 @@ public byte[] sign(byte[] input) throws CryptoException {
 
     @Override
     public String signAsString(String input) throws CryptoException {
-        return signAsString(input.getBytes());
+        return signAsString(input.getBytes(StandardCharsets.UTF_8));
     }
 
     @Override

diff --git a/clients/common/src/main/java/com/binance/connector/client/common/sign/PrivateKey.java b/clients/common/src/main/java/com/binance/connector/client/common/sign/PrivateKey.java
@@ -2,6 +2,7 @@
 
 import com.binance.connector.client.common.ApiException;
 import java.io.IOException;
+import java.nio.charset.StandardCharsets;
 import java.security.Security;
 import java.security.spec.PKCS8EncodedKeySpec;
 import java.util.Base64;
@@ -62,7 +63,7 @@ public void init(byte[] keyContent, String password) throws ApiException {
         try {
             Security.addProvider(new BouncyCastleProvider());
             PKCS8EncryptedPrivateKeyInfo pkcs8EncryptedPrivateKeyInfo =
-                    new PKCS8EncryptedPrivateKeyInfo(Base64.getDecoder().decode(s.getBytes()));
+                    new PKCS8EncryptedPrivateKeyInfo(Base64.getDecoder().decode(s.getBytes(StandardCharsets.UTF_8)));
             // Decrypt encrypted key
             JcaPEMKeyConverter jcaPEMKeyConverter = new JcaPEMKeyConverter();
             InputDecryptorProvider inputDecryptorProvider =
@@ -84,17 +85,17 @@ public void init(byte[] keyContent, String password) throws ApiException {
     }
 
     public byte[] sign(String input) throws CryptoException {
-        return sign(input.getBytes());
+        return sign(input.getBytes(StandardCharsets.UTF_8));
     }
 
-    public byte[] sign(byte[] input) throws CryptoException {
+    public synchronized byte[] sign(byte[] input) throws CryptoException {
         signer.update(input, 0, input.length);
         byte[] generateSignature = signer.generateSignature();
         return Base64.getEncoder().encode(generateSignature);
     }
 
     public String signAsString(String input) throws CryptoException {
-        return signAsString(input.getBytes());
+        return signAsString(input.getBytes(StandardCharsets.UTF_8));
     }
 
     public String signAsString(byte[] input) throws CryptoException {

diff --git a/...n/src/main/java/com/binance/connector/client/common/websocket/HmacSignatureGenerator.java b/...n/src/main/java/com/binance/connector/client/common/websocket/HmacSignatureGenerator.java
@@ -4,6 +4,8 @@
 import javax.crypto.spec.SecretKeySpec;
 import org.apache.commons.codec.binary.Hex;
 
+import java.nio.charset.StandardCharsets;
+
 public final class HmacSignatureGenerator {
     private static final String HMAC_SHA256 = "HmacSHA256";
     private final String apiSecret;
@@ -16,10 +18,10 @@ public HmacSignatureGenerator(String apiSecret) {
     public String getSignature(String data) {
         byte[] hmacSha256;
         try {
-            SecretKeySpec secretKeySpec = new SecretKeySpec(apiSecret.getBytes(), HMAC_SHA256);
+            SecretKeySpec secretKeySpec = new SecretKeySpec(apiSecret.getBytes(StandardCharsets.UTF_8), HMAC_SHA256);
             Mac mac = Mac.getInstance(HMAC_SHA256);
             mac.init(secretKeySpec);
-            hmacSha256 = mac.doFinal(data.getBytes());
+            hmacSha256 = mac.doFinal(data.getBytes(StandardCharsets.UTF_8));
         } catch (Exception e) {
             throw new RuntimeException("Failed to calculate hmac-sha256", e);
         }

diff --git a/clients/convert/CHANGELOG.md b/clients/convert/CHANGELOG.md
@@ -1,5 +1,8 @@
 # Changelog
 
+## 2.0.1 - 2026-04-30
+- Update `binance/common` module to version `2.4.2`.|
+
 ## 2.0.0 - 2026-02-12
 
 ### Changed (1)

diff --git a/clients/convert/pom.xml b/clients/convert/pom.xml
@@ -5,13 +5,13 @@
     <modelVersion>4.0.0</modelVersion>
     <artifactId>binance-convert</artifactId>
     <name>convert</name>
-    <version>2.0.0</version>
+    <version>2.0.1</version>
     <packaging>jar</packaging>
 
     <parent>
         <groupId>io.github.binance</groupId>
         <artifactId>binance-connector-java-clients</artifactId>
-        <version>1.1.1</version>
+        <version>1.1.2</version>
     </parent>
 
     <build>
@@ -31,7 +31,7 @@
         <dependency>
             <groupId>io.github.binance</groupId>
             <artifactId>binance-common</artifactId>
-            <version>2.3.1</version>
+            <version>2.4.2</version>
         </dependency>
     </dependencies>
 </project>
diff --git a/clients/copy-trading/CHANGELOG.md b/clients/copy-trading/CHANGELOG.md
@@ -1,5 +1,8 @@
 # Changelog
 
+## 1.2.2 - 2026-04-30
+- Update `binance/common` module to version `2.4.2`.|
+
 ## 1.2.1 - 2025-08-07
 - Update `binance/common` module to version `2.0.0`.
 - Add `Content-Type` header only if there is a body.

diff --git a/clients/copy-trading/pom.xml b/clients/copy-trading/pom.xml
@@ -5,13 +5,13 @@
     <modelVersion>4.0.0</modelVersion>
     <artifactId>binance-copy-trading</artifactId>
     <name>copy-trading</name>
-    <version>1.2.1</version>
+    <version>1.2.2</version>
     <packaging>jar</packaging>
 
     <parent>
         <groupId>io.github.binance</groupId>
         <artifactId>binance-connector-java-clients</artifactId>
-        <version>1.1.1</version>
+        <version>1.1.2</version>
     </parent>
 
     <build>
@@ -31,7 +31,7 @@
         <dependency>
             <groupId>io.github.binance</groupId>
             <artifactId>binance-common</artifactId>
-            <version>2.0.0</version>
+            <version>2.4.2</version>
         </dependency>
     </dependencies>
 </project>
diff --git a/clients/crypto-loan/CHANGELOG.md b/clients/crypto-loan/CHANGELOG.md
@@ -1,5 +1,8 @@
 # Changelog
 
+## 4.0.1 - 2026-04-30
+- Update `binance/common` module to version `2.4.2`.
+
 ## 4.0.0 - 2026-02-12
 
 ### Added (1)

diff --git a/clients/crypto-loan/pom.xml b/clients/crypto-loan/pom.xml
@@ -5,13 +5,13 @@
     <modelVersion>4.0.0</modelVersion>
     <artifactId>binance-crypto-loan</artifactId>
     <name>crypto-loan</name>
-    <version>4.0.0</version>
+    <version>4.0.1</version>
     <packaging>jar</packaging>
 
     <parent>
         <groupId>io.github.binance</groupId>
         <artifactId>binance-connector-java-clients</artifactId>
-        <version>1.1.1</version>
+        <version>1.1.2</version>
     </parent>
 
     <build>
@@ -31,7 +31,7 @@
         <dependency>
             <groupId>io.github.binance</groupId>
             <artifactId>binance-common</artifactId>
-            <version>2.3.1</version>
+            <version>2.4.2</version>
         </dependency>
     </dependencies>
 </project>
diff --git a/clients/derivatives-trading-coin-futures/CHANGELOG.md b/clients/derivatives-trading-coin-futures/CHANGELOG.md
@@ -1,5 +1,8 @@
 # Changelog
 
+## 7.0.1 - 2026-04-30
+- Update `binance/common` module to version `2.4.2`.
+
 ## 7.0.0 - 2026-03-18
 
 ### Changed (1)

diff --git a/clients/derivatives-trading-coin-futures/pom.xml b/clients/derivatives-trading-coin-futures/pom.xml
@@ -5,13 +5,13 @@
     <modelVersion>4.0.0</modelVersion>
     <artifactId>binance-derivatives-trading-coin-futures</artifactId>
     <name>derivatives-trading-coin-futures</name>
-    <version>7.0.0</version>
+    <version>7.0.1</version>
     <packaging>jar</packaging>
 
     <parent>
         <groupId>io.github.binance</groupId>
         <artifactId>binance-connector-java-clients</artifactId>
-        <version>1.1.1</version>
+        <version>1.1.2</version>
     </parent>
 
     <build>
@@ -31,7 +31,7 @@
         <dependency>
             <groupId>io.github.binance</groupId>
             <artifactId>binance-common</artifactId>
-            <version>2.4.1</version>
+            <version>2.4.2</version>
         </dependency>
     </dependencies>
 </project>
diff --git a/clients/derivatives-trading-options/CHANGELOG.md b/clients/derivatives-trading-options/CHANGELOG.md
@@ -1,5 +1,8 @@
 # Changelog
 
+## 7.0.1 - 2026-04-30
+- Update `binance/common` module to version `2.4.2`.
+
 ## 6.0.0 - 2026-03-18
 
 ### Changed (1)