diff --git a/pkgs/development/python-modules/frozendict/default.nix b/pkgs/development/python-modules/frozendict/default.nix
index e2ebc07ae31b..2d0e540b4fc9 100644
--- a/pkgs/development/python-modules/frozendict/default.nix
+++ b/pkgs/development/python-modules/frozendict/default.nix
@@ -8,14 +8,14 @@
 
 buildPythonPackage rec {
   pname = "frozendict";
-  version = "2.0.7";  # 2.0.6 breaks canonicaljson
+  version = "2.1.0";  # 2.0.6 breaks canonicaljson
   format = "setuptools";
 
   disabled = !isPy3k;
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "a68f609d1af67da80b45519fdcfca2d60249c0a8c96e68279c1b6ddd92128204";
+    sha256 = "0189168749ddea8601afd648146c502533f93ae33840eb76cd71f694742623cd";
   };
 
   pythonImportsCheck = [