diff --git a/pkgs/development/python-modules/mypy-boto3/default.nix b/pkgs/development/python-modules/mypy-boto3/default.nix
index cec986f7cf64..47a9fbbdedc6 100644
--- a/pkgs/development/python-modules/mypy-boto3/default.nix
+++ b/pkgs/development/python-modules/mypy-boto3/default.nix
@@ -438,8 +438,8 @@ rec {
       "sha256-L0JDFdKZzPCztOOysjAPkPCc0LfGn8Rz0M3Atr5sMNY=";
 
   mypy-boto3-dynamodbstreams =
-    buildMypyBoto3Package "dynamodbstreams" "1.40.0"
-      "sha256-x/0Scc259VN45rx94YT48Q3NS7nnd2oNRgxQAmy3nSQ=";
+    buildMypyBoto3Package "dynamodbstreams" "1.40.40"
+      "sha256-TgENR4bY5AHy0hqJkTq63jApASafB6agMPFPYDlzJ7A=";
 
   mypy-boto3-ebs =
     buildMypyBoto3Package "ebs" "1.40.15"