diff --git a/temporal-serviceclient/build.gradle b/temporal-serviceclient/build.gradle
index dd82d03aae..720641e20b 100644
--- a/temporal-serviceclient/build.gradle
+++ b/temporal-serviceclient/build.gradle
@@ -1,5 +1,5 @@
 plugins {
-    id 'com.google.protobuf' version '0.9.2'
+    id 'com.google.protobuf' version '0.9.5'
 }
 
 apply plugin: 'idea' // IntelliJ plugin to see files generated from protos
diff --git a/temporal-test-server/build.gradle b/temporal-test-server/build.gradle
index 5ef589bfc4..eee70a34db 100644
--- a/temporal-test-server/build.gradle
+++ b/temporal-test-server/build.gradle
@@ -1,7 +1,7 @@
 plugins {
     id 'application'
     id 'org.graalvm.buildtools.native' version '0.10.6' apply false
-    id 'com.google.protobuf' version '0.9.2'
+    id 'com.google.protobuf' version '0.9.5'
 }
 
 apply plugin: 'idea' // IntelliJ plugin to see files generated from protos