diff --git a/pkgs/development/python-modules/mypy-boto3/default.nix b/pkgs/development/python-modules/mypy-boto3/default.nix
index cd91aef1ac14..e61f181eb2c2 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-kFHGogiCfbftZr67o8zT7eb8na74J4AGneac03q+Pvc=";
 
   mypy-boto3-mgn =
-    buildMypyBoto3Package "mgn" "1.42.64"
-      "sha256-F12y2J72+c2VRP9sMdXVjeXZ7vlZqkEFpwm/dNWhkbU=";
+    buildMypyBoto3Package "mgn" "1.42.68"
+      "sha256-zrUwEeofbz+Tj7GgHzOzodYzsnPKqAISOuRGG6B7rpY=";
 
   mypy-boto3-migration-hub-refactor-spaces =
     buildMypyBoto3Package "migration-hub-refactor-spaces" "1.42.3"