diff --git a/pkgs/development/python-modules/appthreat-vulnerability-db/default.nix b/pkgs/development/python-modules/appthreat-vulnerability-db/default.nix
index af7635184a0d..463518ef2f98 100644
--- a/pkgs/development/python-modules/appthreat-vulnerability-db/default.nix
+++ b/pkgs/development/python-modules/appthreat-vulnerability-db/default.nix
@@ -17,8 +17,8 @@
 
 buildPythonPackage rec {
   pname = "appthreat-vulnerability-db";
-  version = "5.5.2";
-  format = "pyproject";
+  version = "5.5.3";
+  pyproject = true;
 
   disabled = pythonOlder "3.7";
 
@@ -26,7 +26,7 @@ buildPythonPackage rec {
     owner = "AppThreat";
     repo = "vulnerability-db";
     rev = "refs/tags/v${version}";
-    hash = "sha256-ioFTayuPkxXIaaKKVHBLyU47jID6dGWCX1G9kVkD5Yo=";
+    hash = "sha256-6kfkHLW5PftzrhKjywc670HpKCrrU0POEiJ3u2doBTk=";
   };
 
   postPatch = ''