diff --git a/pkgs/development/python-modules/mypy-boto3/default.nix b/pkgs/development/python-modules/mypy-boto3/default.nix
index 59912631a638..35e511405252 100644
--- a/pkgs/development/python-modules/mypy-boto3/default.nix
+++ b/pkgs/development/python-modules/mypy-boto3/default.nix
@@ -226,8 +226,8 @@ rec {
       "sha256-D64DZgrma3/kvhyH6ZbPtD8nlRrzFVM8WT8Ex2fTZLM=";
 
   mypy-boto3-cloudformation =
-    buildMypyBoto3Package "cloudformation" "1.35.41"
-      "sha256-ElaYUwcYs2/Z5CoTzclkAoMERA2AknrfLh389eN2g54=";
+    buildMypyBoto3Package "cloudformation" "1.35.64"
+      "sha256-0aFQDfgRrI69RZZA9bMcFNqseE2KAPxPZ7xus5Hntag=";
 
   mypy-boto3-cloudfront =
     buildMypyBoto3Package "cloudfront" "1.35.58"