diff --git a/build.gradle b/build.gradle
index fdb667531c..573a0ae4b9 100644
--- a/build.gradle
+++ b/build.gradle
@@ -23,7 +23,7 @@ plugins {
     id 'org.antora' version '1.0.0'
     id 'io.spring.antora.generate-antora-yml' version '0.0.1'
     id 'com.github.spotbugs' version '6.1.7'
-    id 'com.google.protobuf' version '0.9.4' apply false
+    id 'com.google.protobuf' version '0.9.5' apply false
     id 'io.freefair.aggregate-javadoc' version '8.13.1'
 }