diff --git a/pom.xml b/pom.xml
index 48f7c3a..727424e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -37,7 +37,7 @@
     <dependency>
       <groupId>com.google.protobuf</groupId>
       <artifactId>protobuf-java</artifactId>
-      <version>3.24.0</version>
+      <version>4.33.0</version>
     </dependency>
     <!-- gRPC dependencies -->
     <dependency>