diff --git a/dolphin-core/pom.xml b/dolphin-core/pom.xml
index ed895e5..6d238f3 100644
--- a/dolphin-core/pom.xml
+++ b/dolphin-core/pom.xml
@@ -63,7 +63,7 @@
 			<dependency>
 				<groupId>org.codehaus.groovy</groupId>
 				<artifactId>groovy-all</artifactId>
-				<version>2.4.11</version>
+				<version>2.4.21</version>
 			</dependency>
 		</dependencies>
 	</dependencyManagement>