diff --git a/pom.xml b/pom.xml
index b35e2b1..a5e2ede 100644
--- a/pom.xml
+++ b/pom.xml
@@ -19,7 +19,7 @@
         <dependency>
             <groupId>org.apache.struts</groupId>
             <artifactId>struts2-core</artifactId>
-            <version>(,2.3.20]</version>
+            <version>2.3.28</version>
             <exclusions>
                 <exclusion>
                     <artifactId>asm</artifactId>