diff --git a/tomato/pom.xml b/tomato/pom.xml
index 5e5e6de..b44f590 100644
--- a/tomato/pom.xml
+++ b/tomato/pom.xml
@@ -10,7 +10,7 @@
 
   <!--ssm + shiro-->
   <properties>
-    <spring.version>5.1.9.RELEASE</spring.version>
+    <spring.version>5.2.20.RELEASE</spring.version>
   </properties>
 
   <dependencies>