diff --git a/aop/pom.xml b/aop/pom.xml
index d93ade3..8ffa252 100644
--- a/aop/pom.xml
+++ b/aop/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>
     </dependencies>
diff --git a/aop1/pom.xml b/aop1/pom.xml
index c0b42a8..d7e9b43 100644
--- a/aop1/pom.xml
+++ b/aop1/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>
     </dependencies>
diff --git a/ioc1/pom.xml b/ioc1/pom.xml
index f15a434..9c71dd6 100644
--- a/ioc1/pom.xml
+++ b/ioc1/pom.xml
@@ -23,7 +23,7 @@
     <dependency>
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>
-      <version>4.11</version>
+      <version>4.13.1</version>
       <scope>test</scope>
     </dependency>
 
diff --git a/pom.xml b/pom.xml
index 5a2976d..036edf7 100644
--- a/pom.xml
+++ b/pom.xml
@@ -36,7 +36,7 @@
     <dependency>
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>
-      <version>4.11</version>
+      <version>4.13.1</version>
       <scope>test</scope>
     </dependency>
 
diff --git a/proxy/pom.xml b/proxy/pom.xml
index 33d8339..aa23dde 100644
--- a/proxy/pom.xml
+++ b/proxy/pom.xml
@@ -23,7 +23,7 @@
     <dependency>
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>
-      <version>4.11</version>
+      <version>4.13.1</version>
       <scope>test</scope>
     </dependency>
   </dependencies>
diff --git a/simulate spring/pom.xml b/simulate spring/pom.xml
index d308dc8..2d49a2a 100644
--- a/simulate spring/pom.xml	
+++ b/simulate spring/pom.xml	
@@ -23,7 +23,7 @@
     <dependency>
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>
-      <version>4.11</version>
+      <version>4.13.1</version>
       <scope>test</scope>
     </dependency>
 
diff --git a/spring/pom.xml b/spring/pom.xml
index 1e35b92..f599a3d 100644
--- a/spring/pom.xml
+++ b/spring/pom.xml
@@ -23,7 +23,7 @@
     <dependency>
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>
-      <version>4.11</version>
+      <version>4.13.1</version>
       <scope>test</scope>
     </dependency>
     <!--spring核心以来，完成IOC90%的功能-->
diff --git a/spring1/pom.xml b/spring1/pom.xml
index d722121..1e0877a 100644
--- a/spring1/pom.xml
+++ b/spring1/pom.xml
@@ -23,7 +23,7 @@
     <dependency>
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>
-      <version>4.11</version>
+      <version>4.13.1</version>
       <scope>test</scope>
     </dependency>