diff --git a/build.gradle b/build.gradle
index a0246c139e..552d30e037 100644
--- a/build.gradle
+++ b/build.gradle
@@ -98,7 +98,7 @@ subprojects { subproject ->
 		eclipseLinkVersion = '2.7.3'
 		ftpServerVersion = '1.1.1'
 		googleJsr305Version = '3.0.2'
-		groovyVersion = '2.5.4'
+		groovyVersion = '2.5.5'
 		guavaVersion = '26.0-jre'
 		hamcrestVersion = '1.3'
 		hazelcastVersion = '3.11'