diff --git a/pkgs/development/python-modules/mypy-boto3/default.nix b/pkgs/development/python-modules/mypy-boto3/default.nix
index 0a3c639e2336..53c4823f29b3 100644
--- a/pkgs/development/python-modules/mypy-boto3/default.nix
+++ b/pkgs/development/python-modules/mypy-boto3/default.nix
@@ -1162,8 +1162,8 @@ rec {
       "sha256-DLbt+8tSmmMHfjifzFJGKezEmbiTxiA5KfCfcL+I/V8=";
 
   mypy-boto3-s3 =
-    buildMypyBoto3Package "s3" "1.36.15"
-      "sha256-5UAPagCPdGxCu752frSSzslqIRzrNLYDJnOu3Nh7PWI=";
+    buildMypyBoto3Package "s3" "1.36.21"
+      "sha256-nGFDwNq/vZjmx0HnzGWjPH+HuMKO6zc6K8PiySOvgoM=";
 
   mypy-boto3-s3control =
     buildMypyBoto3Package "s3control" "1.36.7"