diff --git a/algorithm/pom.xml b/algorithm/pom.xml
index 8f6bf9f..87e3590 100644
--- a/algorithm/pom.xml
+++ b/algorithm/pom.xml
@@ -26,7 +26,7 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.11</version>
+            <version>4.13.1</version>
             <scope>test</scope>
         </dependency>
 
diff --git a/concurrentdemo/pom.xml b/concurrentdemo/pom.xml
index c0fd072..125d7b7 100644
--- a/concurrentdemo/pom.xml
+++ b/concurrentdemo/pom.xml
@@ -33,7 +33,7 @@
     <dependency>
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>
-      <version>3.8.1</version>
+      <version>4.13.1</version>
       <scope>test</scope>
     </dependency>
     <dependency>
diff --git a/gcdemo/pom.xml b/gcdemo/pom.xml
index c7b4b0d..83479b9 100644
--- a/gcdemo/pom.xml
+++ b/gcdemo/pom.xml
@@ -15,7 +15,7 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>3.8.1</version>
+            <version>4.13.1</version>
             <scope>test</scope>
         </dependency>
     </dependencies>
diff --git a/jaxrsdemo/pom.xml b/jaxrsdemo/pom.xml
index 64aa06f..7d5037d 100644
--- a/jaxrsdemo/pom.xml
+++ b/jaxrsdemo/pom.xml
@@ -60,7 +60,7 @@
     <dependency>
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>
-      <version>3.8.1</version>
+      <version>4.13.1</version>
       <scope>test</scope>
     </dependency>
 
diff --git a/jnidemo/pom.xml b/jnidemo/pom.xml
index 4a94815..84e70aa 100644
--- a/jnidemo/pom.xml
+++ b/jnidemo/pom.xml
@@ -19,7 +19,7 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>3.8.1</version>
+            <version>4.13.1</version>
             <scope>test</scope>
         </dependency>
     </dependencies>
diff --git a/jsondemo/pom.xml b/jsondemo/pom.xml
index a702d27..c5419e9 100644
--- a/jsondemo/pom.xml
+++ b/jsondemo/pom.xml
@@ -22,7 +22,7 @@
     <dependency>
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>
-      <version>3.8.1</version>
+      <version>4.13.1</version>
       <scope>test</scope>
     </dependency>
     <dependency>
diff --git a/jstackdemo/pom.xml b/jstackdemo/pom.xml
index 41e8e40..dc93f6f 100644
--- a/jstackdemo/pom.xml
+++ b/jstackdemo/pom.xml
@@ -22,7 +22,7 @@
     <dependency>
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>
-      <version>3.8.1</version>
+      <version>4.13.1</version>
       <scope>test</scope>
     </dependency>
   </dependencies>
diff --git a/jvmdemo/pom.xml b/jvmdemo/pom.xml
index 2f84f09..ee91b9f 100644
--- a/jvmdemo/pom.xml
+++ b/jvmdemo/pom.xml
@@ -26,7 +26,7 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.11</version>
+            <version>4.13.1</version>
             <scope>test</scope>
         </dependency>
         <dependency>
diff --git a/misc/pom.xml b/misc/pom.xml
index f09c7cd..65e2348 100644
--- a/misc/pom.xml
+++ b/misc/pom.xml
@@ -21,7 +21,7 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>3.8.1</version>
+            <version>4.13.1</version>
             <scope>test</scope>
         </dependency>
         <dependency>
diff --git a/nettydemo/pom.xml b/nettydemo/pom.xml
index 5ef0070..60a486f 100644
--- a/nettydemo/pom.xml
+++ b/nettydemo/pom.xml
@@ -21,7 +21,7 @@
     <dependency>
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>
-      <version>3.8.1</version>
+      <version>4.13.1</version>
       <scope>test</scope>
     </dependency>
 
diff --git a/niodemo/pom.xml b/niodemo/pom.xml
index 5f3d787..e149b03 100644
--- a/niodemo/pom.xml
+++ b/niodemo/pom.xml
@@ -27,7 +27,7 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>3.8.1</version>
+            <version>4.13.1</version>
             <scope>test</scope>
         </dependency>
     </dependencies>
diff --git a/pom.xml b/pom.xml
index 0bd269c..3921b34 100644
--- a/pom.xml
+++ b/pom.xml
@@ -49,7 +49,7 @@
     <version.hadoop.hdds>0.5.0-SNAPSHOT</version.hadoop.hdds>
 
     <!-- Test package version -->
-    <version.junit>4.12</version.junit>
+    <version.junit>4.13.1</version.junit>
     <version.mock>1.38</version.mock>
     <version.mockito.core>2.7.14</version.mockito.core>
     <version.powermock>1.7.4</version.powermock>
diff --git a/protobufdemo/pom.xml b/protobufdemo/pom.xml
index e752cea..cf49af3 100644
--- a/protobufdemo/pom.xml
+++ b/protobufdemo/pom.xml
@@ -21,7 +21,7 @@
     <dependency>
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>
-      <version>3.8.1</version>
+      <version>4.13.1</version>
       <scope>test</scope>
     </dependency>
     <dependency>
diff --git a/rocksdbdemo/pom.xml b/rocksdbdemo/pom.xml
index 3efaa89..720ea72 100644
--- a/rocksdbdemo/pom.xml
+++ b/rocksdbdemo/pom.xml
@@ -37,7 +37,7 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.11</version>
+            <version>4.13.1</version>
             <scope>test</scope>
         </dependency>
         <dependency>
diff --git a/serviceloader/pom.xml b/serviceloader/pom.xml
index 3e12ce3..acb1178 100644
--- a/serviceloader/pom.xml
+++ b/serviceloader/pom.xml
@@ -22,7 +22,7 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>3.8.1</version>
+            <version>4.13.1</version>
             <scope>test</scope>
         </dependency>
     </dependencies>
diff --git a/stateless4j/pom.xml b/stateless4j/pom.xml
index 7b915ac..32e7e95 100644
--- a/stateless4j/pom.xml
+++ b/stateless4j/pom.xml
@@ -26,7 +26,7 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.11</version>
+            <version>4.13.1</version>
             <scope>test</scope>
         </dependency>
 
diff --git a/thriftdemo/pom.xml b/thriftdemo/pom.xml
index 21560c4..05097c8 100644
--- a/thriftdemo/pom.xml
+++ b/thriftdemo/pom.xml
@@ -30,7 +30,7 @@
     <dependency>
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>
-      <version>3.8.1</version>
+      <version>4.13.1</version>
       <scope>test</scope>
     </dependency>
     <dependency>
diff --git a/yarnstatemachine/pom.xml b/yarnstatemachine/pom.xml
index aa4a48b..d7ed407 100644
--- a/yarnstatemachine/pom.xml
+++ b/yarnstatemachine/pom.xml
@@ -26,7 +26,7 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.11</version>
+            <version>4.13.1</version>
             <scope>test</scope>
         </dependency>
         <dependency>