diff --git a/data-structure-algorithm/pom.xml b/data-structure-algorithm/pom.xml
old mode 100755
new mode 100644
index 17ad66ad..847a9aaa
--- a/data-structure-algorithm/pom.xml
+++ b/data-structure-algorithm/pom.xml
@@ -96,7 +96,7 @@
         <dependency>
             <groupId>org.springframework</groupId>
             <artifactId>spring-core</artifactId>
-            <version>5.1.3.RELEASE</version>
+            <version>5.2.22.RELEASE</version>
         </dependency>
         <dependency>
             <groupId>junit</groupId>
@@ -107,7 +107,7 @@
         <dependency>
             <groupId>org.springframework</groupId>
             <artifactId>spring-core</artifactId>
-            <version>5.1.3.RELEASE</version>
+            <version>5.2.22.RELEASE</version>
             <scope>compile</scope>
         </dependency>