1 files changed, 5 insertions, 4 deletions
diff --git a/nixpkgs/pkgs/development/python-modules/mypy/extensions.nix b/nixpkgs/pkgs/development/python-modules/mypy/extensions.nix
index 36407fd684ae..b3bb68a53b72 100644
--- a/nixpkgs/pkgs/development/python-modules/mypy/extensions.nix
+++ b/nixpkgs/pkgs/development/python-modules/mypy/extensions.nix
@@ -1,15 +1,16 @@
 { stdenv, fetchPypi, buildPythonPackage, typing, pythonOlder }:
 
 buildPythonPackage rec {
-  pname = "mypy_extensions";
-  version = "0.4.1";
+  pname = "mypy-extensions";
+  version = "0.4.3";
 
   # Tests not included in pip package.
   doCheck = false;
 
   src = fetchPypi {
-    inherit pname version;
-    sha256 = "04h8brrbbx151dfa2cvvlnxgmb5wa00mhd2z7nd20s8kyibfkq1p";
+    inherit version;
+    pname = "mypy_extensions";
+    sha256 = "2d82818f5bb3e369420cb3c4060a7970edba416647068eb4c5343488a6c604a8";
   };
 
   propagatedBuildInputs = if pythonOlder "3.5" then [ typing ] else [ ];