diff --git a/pkgs/development/python-modules/mypy-boto3/default.nix b/pkgs/development/python-modules/mypy-boto3/default.nix
index eb3a4a8a79ad..997f4df3c111 100644
--- a/pkgs/development/python-modules/mypy-boto3/default.nix
+++ b/pkgs/development/python-modules/mypy-boto3/default.nix
@@ -1357,8 +1357,8 @@ rec {
       "sha256-EHQ0m8Pr8I+CxxOolkFP6LtY4V0qGosNQTPukYg8PQ8=";
 
   mypy-boto3-timestream-write =
-    buildMypyBoto3Package "timestream-write" "1.40.0"
-      "sha256-fFnOLkdkLqQKlbavE4eHCXHYzoIZUhjyQwNrsCXarjk=";
+    buildMypyBoto3Package "timestream-write" "1.40.19"
+      "sha256-yNvBlR2lXUMJkAUGSncExJqF85Iu9iqQWdDBGAVWgnE=";
 
   mypy-boto3-tnb =
     buildMypyBoto3Package "tnb" "1.40.0"