diff --git a/pkgs/development/python-modules/mypy-boto3/default.nix b/pkgs/development/python-modules/mypy-boto3/default.nix
index a567bf121540..ccadb1b749f2 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" "1.35.76.post1"
-      "sha256-NKxMrPis2vpucaKBARayVGN28kF2H57sasWpiHMJNys=";
+    buildMypyBoto3Package "s3" "1.35.81"
+      "sha256-/hpoYMDKcBbiQImBlDPA1YNdSldjW7QmKGRbcScblGw=";
 
   mypy-boto3-s3control =
     buildMypyBoto3Package "s3control" "1.35.73"