diff --git a/coursera-pcdp-parallel-concurrent-distributed-java/distributed-java/pom.xml b/coursera-pcdp-parallel-concurrent-distributed-java/distributed-java/pom.xml
index 57585a2..dd5bc41 100644
--- a/coursera-pcdp-parallel-concurrent-distributed-java/distributed-java/pom.xml
+++ b/coursera-pcdp-parallel-concurrent-distributed-java/distributed-java/pom.xml
@@ -41,7 +41,7 @@
     </dependencies>
 
     <properties>
-        <protobuf.version>3.25.6</protobuf.version>
+        <protobuf.version>4.30.1</protobuf.version>
         <spark.version>3.5.5</spark.version>
 
     </properties>