diff --git a/gson/pom.xml b/gson/pom.xml
index 414d0832..3bf2aff2 100644
--- a/gson/pom.xml
+++ b/gson/pom.xml
@@ -158,7 +158,7 @@
       <plugin>
         <groupId>com.github.wvengen</groupId>
         <artifactId>proguard-maven-plugin</artifactId>
-        <version>2.5.1</version>
+        <version>2.5.2</version>
         <executions>
           <execution>
             <phase>process-test-classes</phase>