diff --git a/pom.xml b/pom.xml
index cf7685b..456d626 100644
--- a/pom.xml
+++ b/pom.xml
@@ -12,7 +12,7 @@
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 		<maven.compiler.source>1.7</maven.compiler.source>
 		<maven.compiler.target>1.7</maven.compiler.target>
-		<spring.version>4.3.21.RELEASE</spring.version>
+		<spring.version>5.2.20.RELEASE</spring.version>
 <!-- 		<jackson.version>2.5.3</jackson.version> -->
         <jackson.version>2.9.9</jackson.version>
 <!--         <bee.version>1.7.2</bee.version> -->