diff --git a/pkgs/development/python-modules/mypy-boto3/default.nix b/pkgs/development/python-modules/mypy-boto3/default.nix
index ca25c3fbae37..ccaedcf5b657 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-RwPNNFntNChLqbr86wd1bwp6OqWvs3oj3V+4X71J3Hw=";
 
   mypy-boto3-s3 =
-    buildMypyBoto3Package "s3" "1.35.32"
-      "sha256-/O6xDqcJkaUWs00Rwf3g9/P+dQjfTkNv/gZtJ9BNsOQ=";
+    buildMypyBoto3Package "s3" "1.35.42"
+      "sha256-LQQMBdaKFh2RxLcpJhJwNNooremNSA3vapVpq3ZVzd0=";
 
   mypy-boto3-s3control =
     buildMypyBoto3Package "s3control" "1.35.12"