diff --git a/pkgs/development/python-modules/mypy-boto3-s3/default.nix b/pkgs/development/python-modules/mypy-boto3-s3/default.nix
index e7544f44ea60..9bcb20595e0c 100644
--- a/pkgs/development/python-modules/mypy-boto3-s3/default.nix
+++ b/pkgs/development/python-modules/mypy-boto3-s3/default.nix
@@ -8,12 +8,12 @@
 
 buildPythonPackage rec {
   pname = "mypy-boto3-s3";
-  version = "1.18.50";
+  version = "1.18.51";
   disabled = pythonOlder "3.6";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "338052d36825c3ecb7575de16374b3c60f49129544120f463398545835af9cd0";
+    sha256 = "3e932af8f4b400df54f93ec48da31c365d2068b31e4e8d04705510f787e6a5f6";
   };
 
   propagatedBuildInputs = [