diff --git a/pkgs/development/python-modules/canonicaljson/default.nix b/pkgs/development/python-modules/canonicaljson/default.nix
index 0787d4d09718..0dd7a02a4aba 100644
--- a/pkgs/development/python-modules/canonicaljson/default.nix
+++ b/pkgs/development/python-modules/canonicaljson/default.nix
@@ -10,14 +10,14 @@
 
 buildPythonPackage rec {
   pname = "canonicaljson";
-  version = "1.6.5";
+  version = "2.0.0";
   format = "pyproject";
 
   disabled = pythonOlder "3.7";
 
   src = fetchPypi {
     inherit pname version;
-    hash = "sha256-aN/BV7AR4H2Uv3S11MzAGVhYTtlC2d/V/dcGYJ6BzUs=";
+    hash = "sha256-4v2u8df63F2ctZvT0NQbBk3dppeAmsQyXc7XIdEvET8=";
   };
 
   nativeBuildInputs = [
@@ -28,20 +28,10 @@ buildPythonPackage rec {
     simplejson
   ];
 
-  passthru.optional-dependencies = {
-    frozendict = [
-      frozendict
-    ];
-  };
-
   nativeCheckInputs = [
     pytestCheckHook
   ];
 
-  disabledTests = [
-    "test_frozen_dict"
-  ];
-
   pythonImportsCheck = [
     "canonicaljson"
   ];