diff --git a/pkgs/development/python-modules/mypy-boto3/default.nix b/pkgs/development/python-modules/mypy-boto3/default.nix
index 7eab15de1bf8..a560fbf364f0 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-BrtHCaCwsfpaB5GA9kEhCFapQceZsjpyv3HVgpXUOFA=";
 
   mypy-boto3-guardduty =
-    buildMypyBoto3Package "guardduty" "1.42.15"
-      "sha256-xv1obHMQC5RPM8wv+rTs3jlslXVc7JuFgfdpcGGtfCw=";
+    buildMypyBoto3Package "guardduty" "1.42.33"
+      "sha256-Xo4t/M+9Kly33WHxtXSgww0cbNyF59k4LBeyyFSbSMw=";
 
   mypy-boto3-health =
     buildMypyBoto3Package "health" "1.42.10"