diff --git a/Sample/jdksample/pom.xml b/Sample/jdksample/pom.xml
index 00b329e..1c9d7f2 100644
--- a/Sample/jdksample/pom.xml
+++ b/Sample/jdksample/pom.xml
@@ -26,7 +26,7 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.12</version>
+            <version>4.13.1</version>
             <scope>test</scope>
         </dependency>
     </dependencies>
diff --git a/Sample/libsample/pom.xml b/Sample/libsample/pom.xml
index 0e38874..a06143b 100644
--- a/Sample/libsample/pom.xml
+++ b/Sample/libsample/pom.xml
@@ -47,7 +47,7 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.11</version>
+            <version>4.13.1</version>
             <scope>test</scope>
         </dependency>
     </dependencies>
diff --git a/Sample/pom.xml b/Sample/pom.xml
index 2f6f7a5..4bd2d7f 100644
--- a/Sample/pom.xml
+++ b/Sample/pom.xml
@@ -27,13 +27,13 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.12</version>
+            <version>4.13.1</version>
             <scope>test</scope>
         </dependency>
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.12</version>
+            <version>4.13.1</version>
             <scope>test</scope>
         </dependency>
     </dependencies>