diff --git "a/study-notes/j2ee-collection/architecture/01-\351\241\271\347\233\256\345\256\236\346\210\230/02-RBAC2/pom.xml" "b/study-notes/j2ee-collection/architecture/01-\351\241\271\347\233\256\345\256\236\346\210\230/02-RBAC2/pom.xml"
index ff06c191d..cbfce84ba 100644
--- "a/study-notes/j2ee-collection/architecture/01-\351\241\271\347\233\256\345\256\236\346\210\230/02-RBAC2/pom.xml"
+++ "b/study-notes/j2ee-collection/architecture/01-\351\241\271\347\233\256\345\256\236\346\210\230/02-RBAC2/pom.xml"
@@ -115,7 +115,7 @@
         <dependency>
             <groupId>commons-collections</groupId>
             <artifactId>commons-collections</artifactId>
-            <version>3.2.1</version>
+            <version>3.2.2</version>
         </dependency>
         <dependency>
             <groupId>org.apache.shiro</groupId>