diff --git a/_includes/tutorials/multiple-event-types/kafka/code/build.gradle b/_includes/tutorials/multiple-event-types/kafka/code/build.gradle
index 00d5ffe09f..70002f1c38 100644
--- a/_includes/tutorials/multiple-event-types/kafka/code/build.gradle
+++ b/_includes/tutorials/multiple-event-types/kafka/code/build.gradle
@@ -22,7 +22,7 @@ plugins {
     id "idea"
     id "eclipse"
     id "com.github.imflog.kafka-schema-registry-gradle-plugin" version "1.9.1"
-    id "com.google.protobuf" version "0.9.2"
+    id "com.google.protobuf" version "0.9.4"
     id "com.github.davidmc24.gradle.plugin.avro" version "1.7.0"
 }
 
diff --git a/_includes/tutorials/serialization/kstreams/code/build.gradle b/_includes/tutorials/serialization/kstreams/code/build.gradle
index f4d160d5c4..2e8a6b45f5 100644
--- a/_includes/tutorials/serialization/kstreams/code/build.gradle
+++ b/_includes/tutorials/serialization/kstreams/code/build.gradle
@@ -13,7 +13,7 @@ plugins {
   id "idea"
   id "com.google.cloud.tools.jib" version "3.3.1"
   id "com.github.johnrengelman.shadow" version "6.1.0"
-  id "com.google.protobuf" version "0.9.2"
+  id "com.google.protobuf" version "0.9.4"
   id "com.github.davidmc24.gradle.plugin.avro" version "1.7.0"
 }