diff --git a/acceptance-tests/pom.xml b/acceptance-tests/pom.xml
index 5175203..1e05735 100644
--- a/acceptance-tests/pom.xml
+++ b/acceptance-tests/pom.xml
@@ -78,7 +78,7 @@
 			<dependency>
 				<groupId>org.codehaus.groovy</groupId>
 				<artifactId>groovy-all</artifactId>
-				<version>3.0.19</version>
+				<version>3.0.20</version>
 				<type>pom</type>
 			</dependency>
 		</dependencies>