diff --git a/pom.xml b/pom.xml
index 950aabc..d781221 100644
--- a/pom.xml
+++ b/pom.xml
@@ -28,7 +28,7 @@
     </build>
 
     <properties>
-        <spring.version>4.1.7.RELEASE</spring.version>
+        <spring.version>5.2.1.RELEASE</spring.version>
         <lucene.version>7.1.0</lucene.version>
         <shiro.version>1.2.5</shiro.version>
     </properties>