diff --git a/testprojects/maven_layout/protolib-test/pom.xml b/testprojects/maven_layout/protolib-test/pom.xml
index e6505318296..449d46cff48 100644
--- a/testprojects/maven_layout/protolib-test/pom.xml
+++ b/testprojects/maven_layout/protolib-test/pom.xml
@@ -140,7 +140,7 @@
     <dependency>
       <groupId>com.google.protobuf</groupId>
       <artifactId>protobuf-java</artifactId>
-      <version>2.4.1</version>
+      <version>2.6.1</version>
     </dependency>
     <dependency>
       <groupId>junit</groupId>