diff --git a/backend/pom.xml b/backend/pom.xml
index eaec0f9..2393919 100644
--- a/backend/pom.xml
+++ b/backend/pom.xml
@@ -19,7 +19,7 @@
 
     <properties>
         <java.version>11</java.version>
-        <mybatis-plus.version>3.5.5</mybatis-plus.version>
+        <mybatis-plus.version>3.5.17</mybatis-plus.version>
         <knife4j.version>3.0.3</knife4j.version>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>