diff --git a/pkgs/development/python-modules/mypy-boto3/default.nix b/pkgs/development/python-modules/mypy-boto3/default.nix
index 69742efc545b..ad8a68e49f7b 100644
--- a/pkgs/development/python-modules/mypy-boto3/default.nix
+++ b/pkgs/development/python-modules/mypy-boto3/default.nix
@@ -590,8 +590,8 @@ in
       "sha256-nTKK7qqa2apyNM4/U2AphLGvoSqemVKfpAciilJ0pRE=";
 
   mypy-boto3-guardduty =
-    buildMypyBoto3Package "guardduty" "1.43.0"
-      "sha256-xLN9980fWNie8P+lPG7rKbvIH3qsuioPnnwcB/HDnlc=";
+    buildMypyBoto3Package "guardduty" "1.43.6"
+      "sha256-G0b+n8/YssnJeC5vdQSf2wNYlYNXhZYWnNzDw6wjgc8=";
 
   mypy-boto3-health =
     buildMypyBoto3Package "health" "1.43.0"