diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5001db4..7aa5bb4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # CHANGELOG
 
+## 1.4.3 - 2024-10-10
+
+* Rollback to fix grpc issue
+
 ## 1.4.2 - 2024-10-10
 
 * Update dependencies: protobuf-java, protobuf-java-util, grpc-netty
diff --git a/pom.xml b/pom.xml
index 06e91e1..1792985 100644
--- a/pom.xml
+++ b/pom.xml
@@ -59,12 +59,12 @@
     <dependency>
       <groupId>com.google.protobuf</groupId>
       <artifactId>protobuf-java</artifactId>
-      <version>4.28.2</version>
+      <version>3.24.2</version>
     </dependency>
     <dependency>
       <groupId>com.google.protobuf</groupId>
       <artifactId>protobuf-java-util</artifactId>
-      <version>4.28.2</version>
+      <version>3.24.2</version>
     </dependency>
     <dependency>
       <groupId>javax.annotation</groupId>
@@ -74,22 +74,22 @@
     <dependency>
       <groupId>io.grpc</groupId>
       <artifactId>grpc-stub</artifactId>
-      <version>1.68.0</version>
+      <version>1.56.0</version>
     </dependency>
     <dependency>
       <groupId>io.grpc</groupId>
       <artifactId>grpc-protobuf</artifactId>
-      <version>1.68.0</version>
+      <version>1.56.0</version>
     </dependency>
     <dependency>
       <groupId>io.grpc</groupId>
       <artifactId>grpc-netty</artifactId>
-      <version>1.68.0</version>
+      <version>1.56.0</version>
     </dependency>
     <dependency>
       <groupId>io.grpc</groupId>
       <artifactId>grpc-testing</artifactId>
-      <version>1.68.0</version>
+      <version>1.57.2</version>
       <scope>test</scope>
     </dependency>
     <!-- necessary for Java 9+
@@ -121,7 +121,7 @@
                 <goal>run</goal>
               </goals>
               <configuration>
-                <protocArtifact>com.google.protobuf:protoc:4.28.2</protocArtifact>
+                <protocArtifact>com.google.protobuf:protoc:3.21.7</protocArtifact>
                 <inputDirectories>
                   <include>protos</include>
                 </inputDirectories>
@@ -132,7 +132,7 @@
                   </outputTarget>
                   <outputTarget>
                     <type>grpc-java</type>
-                    <pluginArtifact>io.grpc:protoc-gen-grpc-java:1.68.0</pluginArtifact>
+                    <pluginArtifact>io.grpc:protoc-gen-grpc-java:1.56.0</pluginArtifact>
                   </outputTarget>
                 </outputTargets>
               </configuration>