diff --git a/Master_algorithm/pom.xml b/Master_algorithm/pom.xml
index f890d78..b5304f1 100644
--- a/Master_algorithm/pom.xml
+++ b/Master_algorithm/pom.xml
@@ -23,7 +23,7 @@
         <dependency>
             <groupId>org.codehaus.groovy</groupId>
             <artifactId>groovy-all</artifactId>
-            <version>2.4.7</version>
+            <version>2.4.21</version>
         </dependency>