diff --git a/knife4j/pom.xml b/knife4j/pom.xml
index 035b82f..cc00362 100644
--- a/knife4j/pom.xml
+++ b/knife4j/pom.xml
@@ -37,7 +37,7 @@
         <knife4j.version>1.9.8</knife4j.version>
 
         <java.version>1.8</java.version>
-        <spring.version>5.1.0.RELEASE</spring.version>
+        <spring.version>5.2.20.RELEASE</spring.version>
         <springfox.version>2.9.2</springfox.version>
         <servlet.version>3.1.0</servlet.version>
         <slf4j.version>1.7.28</slf4j.version>