diff --git a/pkgs/development/python-modules/mypy/default.nix b/pkgs/development/python-modules/mypy/default.nix
index 99580e2de37d..149aefb9a57f 100644
--- a/pkgs/development/python-modules/mypy/default.nix
+++ b/pkgs/development/python-modules/mypy/default.nix
@@ -14,14 +14,14 @@
 
 buildPythonPackage rec {
   pname = "mypy";
-  version = "unstable-2021-11-14";
+  version = "0.930";
   disabled = pythonOlder "3.6";
 
   src = fetchFromGitHub {
     owner = "python";
     repo = "mypy";
-    rev = "053a1beb94ee4e5b3260725594315d1b6776e42f";
-    sha256 = "sha256-q2ntj3y3GgXrw4v+yMvcqWFv4y/6YwunIj3bNzU9CH0=";
+    rev = "v${version}";
+    sha256 = "sha256-0yo6f9hRYFfwdfukOGNNTgPCIFO2MZdfMvzbci7FWRs=";
   };
 
   patches = [
@@ -33,11 +33,6 @@ buildPythonPackage rec {
     })
   ];
 
-  postPatch = ''
-    substituteInPlace setup.py \
-      --replace "tomli>=1.1.0,<1.2.0" "tomli"
-  '';
-
   buildInputs = [
     types-typed-ast
   ];