diff --git a/samples/client/petstore/java/retrofit2rx2/pom.xml b/samples/client/petstore/java/retrofit2rx2/pom.xml
index 07aa4b7aa48c..29e33941239e 100644
--- a/samples/client/petstore/java/retrofit2rx2/pom.xml
+++ b/samples/client/petstore/java/retrofit2rx2/pom.xml
@@ -282,6 +282,6 @@
         <threetenbp-version>1.4.0</threetenbp-version>
         <javax-annotation-version>1.3.2</javax-annotation-version>
         <oltu-version>1.0.1</oltu-version>
-        <junit-version>4.13</junit-version>
+        <junit-version>4.13.1</junit-version>
     </properties>
 </project>