diff --git a/Chat++/pom.xml b/Chat++/pom.xml
index 806e1eb..1e842a4 100644
--- a/Chat++/pom.xml
+++ b/Chat++/pom.xml
@@ -25,7 +25,7 @@
         <dependency>
             <groupId>org.springframework.security</groupId>
             <artifactId>spring-security-core</artifactId>
-            <version>5.3.3.RELEASE</version>
+            <version>5.7.12</version>
         </dependency>
 
         <dependency>