diff --git a/_1/pom.xml b/_1/pom.xml
index 748c43d..3cc055b 100644
--- a/_1/pom.xml
+++ b/_1/pom.xml
@@ -52,7 +52,7 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.10</version>
+            <version>4.13.1</version>
             <scope>test</scope>
         </dependency>
         <dependency>
@@ -78,7 +78,7 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.10</version>
+            <version>4.13.1</version>
             <scope>test</scope>
         </dependency>
         <dependency>