diff --git a/lj-pattern/pom.xml b/lj-pattern/pom.xml
index b8cff05..9ec6063 100644
--- a/lj-pattern/pom.xml
+++ b/lj-pattern/pom.xml
@@ -25,7 +25,7 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.12</version>
+            <version>4.13.1</version>
         </dependency>
         <dependency>
             <groupId>mysql</groupId>