diff --git a/pkgs/development/interpreters/groovy/default.nix b/pkgs/development/interpreters/groovy/default.nix
index 6b55f006cd2..dc04e72c741 100644
--- a/pkgs/development/interpreters/groovy/default.nix
+++ b/pkgs/development/interpreters/groovy/default.nix
@@ -4,11 +4,11 @@
 
 stdenv.mkDerivation rec {
   name = "groovy-${version}";
-  version = "2.5.5";
+  version = "2.5.6";
 
   src = fetchurl {
     url = "http://dl.bintray.com/groovy/maven/apache-groovy-binary-${version}.zip";
-    sha256 = "16hj2v6r89s3qrgbnkinwwzv16mphb6jjw8ijgmmd9y2063nchc2";
+    sha256 = "14lfxnc03hmakwagvl3sb6c0b298v3awcdr1gafwnmsqv03hhkdn";
   };
 
   buildInputs = [ unzip makeWrapper ];