diff --git a/lab/statedemo/pom.xml b/lab/statedemo/pom.xml
index f8e9970..083046d 100644
--- a/lab/statedemo/pom.xml
+++ b/lab/statedemo/pom.xml
@@ -45,7 +45,7 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.12</version>
+            <version>4.13.1</version>
             <scope>test</scope>
         </dependency>