diff --git a/pkgs/development/python-modules/asn1ate/default.nix b/pkgs/development/python-modules/asn1ate/default.nix
index 7605e2c30858..29dae1fd663a 100644
--- a/pkgs/development/python-modules/asn1ate/default.nix
+++ b/pkgs/development/python-modules/asn1ate/default.nix
@@ -1,15 +1,12 @@
-{ stdenv, buildPythonPackage, fetchFromGitHub
-, pyparsing }:
+{ stdenv, buildPythonPackage, fetchFromGitHub, pyparsing }:
 
 buildPythonPackage rec {
   pname = "asn1ate";
-  date = "20160810";
-  version = "unstable-${date}";
-  name = "${pname}-${version}";
+  version= "0.6";
 
   src = fetchFromGitHub {
-    sha256 = "04pddr1mh2v9qq8fg60czwvjny5qwh4nyxszr3qc4bipiiv2xk9w";
-    rev = "c56104e8912400135509b584d84423ee05a5af6b";
+    sha256 = "1p8hv4gsyqsdr0gafcq497n52pybiqmc22di8ai4nsj60fv0km45";
+    rev = "v${version}";
     owner = "kimgr";
     repo = pname;
   };