diff --git a/pom.xml b/pom.xml
index e79a585..2a076fc 100644
--- a/pom.xml
+++ b/pom.xml
@@ -66,7 +66,7 @@
         <dependency>
             <groupId>org.springframework.security</groupId>
             <artifactId>spring-security-core</artifactId>
-            <version>5.1.5.RELEASE</version>
+            <version>5.1.11.RELEASE</version>
         </dependency>
 
         <!-- https://mvnrepository.com/artifact/io.springfox/springfox-swagger2 -->