diff --git a/pom.xml b/pom.xml
index 657ad68..69ba79d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -217,7 +217,7 @@
 		<dependency>
 		    <groupId>org.springframework.security</groupId>
 		    <artifactId>spring-security-core</artifactId>
-		    <version>4.2.3.RELEASE</version>
+		    <version>5.5.7</version>
 		</dependency>
 		<!-- check #13 -->