diff --git a/pkgs/development/python-modules/canonicaljson/default.nix b/pkgs/development/python-modules/canonicaljson/default.nix
index 24cccc3aa770..34d75d77a9c4 100644
--- a/pkgs/development/python-modules/canonicaljson/default.nix
+++ b/pkgs/development/python-modules/canonicaljson/default.nix
@@ -1,14 +1,15 @@
 { stdenv, buildPythonPackage, fetchPypi
-, frozendict, simplejson, six
+, frozendict, simplejson, six, isPy27
 }:
 
 buildPythonPackage rec {
   pname = "canonicaljson";
-  version = "1.1.4";
+  version = "1.3.0";
+  disabled = isPy27;
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "45bce530ff5fd0ca93703f71bfb66de740a894a3b5dd6122398c6d8f18539725";
+    sha256 = "0v2b72n28fi763xxv9vrf4qc61anl2ys9njy7hlm719fdaq3sxml";
   };
 
   propagatedBuildInputs = [