diff --git a/pkgs/development/python-modules/mypy-boto3/default.nix b/pkgs/development/python-modules/mypy-boto3/default.nix
index 94df248001b3..f3d427be70c3 100644
--- a/pkgs/development/python-modules/mypy-boto3/default.nix
+++ b/pkgs/development/python-modules/mypy-boto3/default.nix
@@ -906,8 +906,8 @@ in
       "sha256-V6xgiUn87wqIlWJGOpc7Zu24EDzROAspAn3qkRifsFU=";
 
   mypy-boto3-mgn =
-    buildMypyBoto3Package "mgn" "1.43.30"
-      "sha256-d1/mHOsc6SdCbRm+xSAOmwSntYZP/jWDm4aJw1qY0A4=";
+    buildMypyBoto3Package "mgn" "1.43.87"
+      "sha256-jLNkOBQ1j7LMNQ1jLTMJx6v67FYsNwlhNvezLZIvxuU=";
 
   mypy-boto3-migration-hub-refactor-spaces =
     buildMypyBoto3Package "migration-hub-refactor-spaces" "1.43.0"