diff --git a/pkgs/development/python-modules/mypy-boto3/default.nix b/pkgs/development/python-modules/mypy-boto3/default.nix
index 1c5338537f85..65d2e841449b 100644
--- a/pkgs/development/python-modules/mypy-boto3/default.nix
+++ b/pkgs/development/python-modules/mypy-boto3/default.nix
@@ -1170,8 +1170,8 @@ in
       "sha256-juVfwdjPDNPaT5tvyXpzDtomugqxeu++AERLkVtFIxw=";
 
   mypy-boto3-sagemaker =
-    buildMypyBoto3Package "sagemaker" "1.42.66"
-      "sha256-FC1bOnE8zYR+3suOW+DSiNRR5880vnQMv7e8g99iDDQ=";
+    buildMypyBoto3Package "sagemaker" "1.42.77"
+      "sha256-gm5z5bnS57ZsNpKroi91/KfYWxnAjgjPwB6IOZ6eSno=";
 
   mypy-boto3-sagemaker-a2i-runtime =
     buildMypyBoto3Package "sagemaker-a2i-runtime" "1.42.3"