diff --git a/pkgs/development/python-modules/mypy-boto3/default.nix b/pkgs/development/python-modules/mypy-boto3/default.nix
index 6bac427499f2..c2cf5024a405 100644
--- a/pkgs/development/python-modules/mypy-boto3/default.nix
+++ b/pkgs/development/python-modules/mypy-boto3/default.nix
@@ -558,8 +558,8 @@ rec {
       "sha256-i76hozLLcN4Y5Jpg/92+6FSgStpw2SfF0HeRhQiRPqE=";
 
   mypy-boto3-fsx =
-    buildMypyBoto3Package "fsx" "1.40.0"
-      "sha256-ryCVtTJSbtLmStHUhZrNkUBm79mjZo4NZtf5QHONWLY=";
+    buildMypyBoto3Package "fsx" "1.40.9"
+      "sha256-mNs8PA3GpvonrX6vwErh1muD4K2+zdr0ZWvOJP8PRjY=";
 
   mypy-boto3-gamelift =
     buildMypyBoto3Package "gamelift" "1.40.0"