diff --git a/pom.xml b/pom.xml
index a0118ac..997a74c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -61,7 +61,7 @@
         <maven.compiler.release>17</maven.compiler.release>
         <maven.compiler.useIncrementalCompilation>false</maven.compiler.useIncrementalCompilation>
         <maven.version>3.9.6</maven.version>
-        <protoc.version>3.17.3</protoc.version>
+        <protoc.version>4.28.2</protoc.version>
         <test.tmp.dir>${project.build.directory}/testing-tmp</test.tmp.dir>
     </properties>
 
@@ -69,7 +69,7 @@
         <dependency>
             <groupId>com.google.protobuf</groupId>
             <artifactId>protobuf-java</artifactId>
-            <version>3.25.1</version>
+            <version>4.28.2</version>
         </dependency>
     </dependencies>