diff --git a/pom.xml b/pom.xml
old mode 100755
new mode 100644
index cf91dd4..64a657f
--- a/pom.xml
+++ b/pom.xml
@@ -25,7 +25,7 @@
         <dependency>
             <groupId>org.springframework</groupId>
             <artifactId>spring-core</artifactId>
-            <version>4.3.14.RELEASE</version>
+            <version>4.3.20.RELEASE</version>
         </dependency>
         
         <!-- Log4j with known vulnerabilities -->