diff --git a/pkgs/development/python-modules/aws-sam-translator/default.nix b/pkgs/development/python-modules/aws-sam-translator/default.nix
index 9807c6581c55..d8c1419b0c53 100644
--- a/pkgs/development/python-modules/aws-sam-translator/default.nix
+++ b/pkgs/development/python-modules/aws-sam-translator/default.nix
@@ -14,13 +14,13 @@
 
 buildPythonPackage rec {
   pname = "aws-sam-translator";
-  version = "1.39.0";
+  version = "1.40.0";
 
   src = fetchFromGitHub {
     owner = "aws";
     repo = "serverless-application-model";
     rev = "v${version}";
-    sha256 = "1a9m7zyqc414adw1i0sr2n9nlnmry0gi1ah1qna3yv9dx4ql9v9c";
+    sha256 = "sha256-jVJVoS7rc1RebBvihzmv6LvufMf/VvXOwj0TYkXBdmo=";
   };
 
   propagatedBuildInputs = [