diff --git a/interview-01/pom.xml b/interview-01/pom.xml
old mode 100755
new mode 100644
index db595bf..d30cd53
--- a/interview-01/pom.xml
+++ b/interview-01/pom.xml
@@ -14,7 +14,7 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.12</version>
+            <version>4.13.1</version>
             <scope>test</scope>
         </dependency>
     </dependencies>
diff --git a/pom.xml b/pom.xml
old mode 100755
new mode 100644
index 90fa1d5..fb21586
--- a/pom.xml
+++ b/pom.xml
@@ -43,7 +43,7 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.12</version>
+            <version>4.13.1</version>
             <scope>test</scope>
         </dependency>
         <!-- https://mvnrepository.com/artifact/com.alibaba/fastjson -->