diff --git a/pkgs/games/instawow/default.nix b/pkgs/games/instawow/default.nix
index 57e0e5a72b4f..94a8b1b2f05f 100644
--- a/pkgs/games/instawow/default.nix
+++ b/pkgs/games/instawow/default.nix
@@ -2,33 +2,31 @@
 
 python3.pkgs.buildPythonApplication rec {
   pname = "instawow";
-  version = "3.3.0";
+  version = "4.0.0";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "layday";
     repo = pname;
     rev = "refs/tags/v${version}";
-    sha256 = "sha256-eBXUg5qLTmalWbTh5/iJ8yliTgv+HoTuGhGkd3y3CBA=";
+    sha256 = "sha256-tbK5NOErYddiyWn+sMiKRW1hstFljotsKIQarNGDesk=";
   };
 
   extras = [ ];  # Disable GUI, most dependencies are not packaged.
 
   nativeBuildInputs = with python3.pkgs; [
-    poetry-core
-    poetry-dynamic-versioning
+    hatchling
+    hatch-vcs
   ];
   propagatedBuildInputs = with python3.pkgs; [
     aiohttp
     aiohttp-client-cache
-    alembic
     attrs
     cattrs
     click
     diskcache
     iso8601
     loguru
-    mako
     packaging
     pluggy
     prompt-toolkit