diff --git a/java-spiffe-core/build.gradle b/java-spiffe-core/build.gradle
index 06c0ad42..e7cab09d 100644
--- a/java-spiffe-core/build.gradle
+++ b/java-spiffe-core/build.gradle
@@ -4,7 +4,7 @@ buildscript {
     }
 
     dependencies {
-        classpath group: 'com.google.protobuf', name: 'protobuf-gradle-plugin', version: '0.9.3'
+        classpath group: 'com.google.protobuf', name: 'protobuf-gradle-plugin', version: '0.9.4'
     }
 }