diff --git a/pkgs/development/python-modules/mypy-boto3/default.nix b/pkgs/development/python-modules/mypy-boto3/default.nix
index 98a43abc8cc3..3c2b2964d2da 100644
--- a/pkgs/development/python-modules/mypy-boto3/default.nix
+++ b/pkgs/development/python-modules/mypy-boto3/default.nix
@@ -162,8 +162,8 @@ rec {
       "sha256-q7HoaGzpwKAPik9I6e9+esVbwH2zRrIhzPQoIW4juPA=";
 
   mypy-boto3-backup-gateway =
-    buildMypyBoto3Package "backup-gateway" "1.40.0"
-      "sha256-7FIXPtt4FMjxXbHtiO4qbS4wUfi10rmVODshIORlfhs=";
+    buildMypyBoto3Package "backup-gateway" "1.40.15"
+      "sha256-BZXrWhqf5gFrTW0fAsiyiydzc0cTv2lPj5DTRLrv+pI=";
 
   mypy-boto3-batch =
     buildMypyBoto3Package "batch" "1.40.12"