diff --git a/pom.xml b/pom.xml
old mode 100755
new mode 100644
index 0af54f4f..6e7a4628
--- a/pom.xml
+++ b/pom.xml
@@ -37,7 +37,7 @@
         <dependency>
             <groupId>org.springframework</groupId>
             <artifactId>spring-context</artifactId>
-            <version>4.3.2.RELEASE</version>
+            <version>5.2.21.RELEASE</version>
         </dependency>
         <dependency>
             <groupId>org.springframework.security</groupId>