diff --git a/authority-control/pom.xml b/authority-control/pom.xml
index c6d6b42..65f933b 100644
--- a/authority-control/pom.xml
+++ b/authority-control/pom.xml
@@ -9,7 +9,7 @@
 	<url>http://maven.apache.org</url>
 
 	<properties>
-		<spring.version>4.3.7.RELEASE</spring.version>
+		<spring.version>5.2.20.RELEASE</spring.version>
 		<mybatis.version>3.4.2</mybatis.version>
 		<mybatis.spring.version>1.3.0</mybatis.spring.version>
 		<mysql.version>6.0.6</mysql.version>