diff --git a/practice-jdk/pom.xml b/practice-jdk/pom.xml
index 1281f4d..a6ae008 100644
--- a/practice-jdk/pom.xml
+++ b/practice-jdk/pom.xml
@@ -13,7 +13,7 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.12</version>
+            <version>4.13.1</version>
         </dependency>
         <dependency>
             <groupId>cglib</groupId>