diff --git a/springboot-rs-multi-auth-server/pom.xml b/springboot-rs-multi-auth-server/pom.xml
index 21c61cb..632ec24 100644
--- a/springboot-rs-multi-auth-server/pom.xml
+++ b/springboot-rs-multi-auth-server/pom.xml
@@ -16,7 +16,7 @@
 
   <properties>
     <java.version>1.8</java.version>
-    <spring.security.version>5.6.3</spring.security.version>
+    <spring.security.version>5.6.4</spring.security.version>
     <spring.boot.autoconfigure.version>2.6.7</spring.boot.autoconfigure.version>
   </properties>