diff --git a/pkgs/development/python-modules/mypy-boto3-s3/default.nix b/pkgs/development/python-modules/mypy-boto3-s3/default.nix
index 587cf0bd68f3..496a94e776e9 100644
--- a/pkgs/development/python-modules/mypy-boto3-s3/default.nix
+++ b/pkgs/development/python-modules/mypy-boto3-s3/default.nix
@@ -8,13 +8,13 @@
 
 buildPythonPackage rec {
   pname = "mypy-boto3-s3";
-  version = "1.19.8";
+  version = "1.19.12";
 
   disabled = pythonOlder "3.6";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "60481cae38e01273d09a6159e4ff8c36d5d7e335319117a16cdb3d887928a7b4";
+    sha256 = "sha256-xgcGbWcrdFwFPQLJHmgRdY2XbwAiInZxmw6RiFVJ5F4=";
   };
 
   propagatedBuildInputs = [