diff --git a/examples/flink-sql/pom.xml b/examples/flink-sql/pom.xml
index 13e62ab3cb..23f0635b03 100644
--- a/examples/flink-sql/pom.xml
+++ b/examples/flink-sql/pom.xml
@@ -97,7 +97,7 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.12</version>
+            <version>4.13.1</version>
             <scope>test</scope>
         </dependency>
     </dependencies>