diff --git a/pkgs/development/python-modules/apycula/default.nix b/pkgs/development/python-modules/apycula/default.nix
index eb179169f6f5..e53bc2239dc4 100644
--- a/pkgs/development/python-modules/apycula/default.nix
+++ b/pkgs/development/python-modules/apycula/default.nix
@@ -6,14 +6,14 @@
   setuptools-scm,
 }:
 
-buildPythonPackage rec {
+buildPythonPackage (finalAttrs: {
   pname = "apycula";
-  version = "0.28";
+  version = "0.29";
   pyproject = true;
 
   src = fetchPypi {
-    inherit pname version;
-    hash = "sha256-AfNjHQkDrZ9oULuEmgXhqr063NWDZCpVW5pE6chnnFI=";
+    inherit (finalAttrs) pname version;
+    hash = "sha256-awhGSmGQDQ0Pi+4y9KoR1Yw6UZjM/CTxAV0jdfen6Qw=";
   };
 
   build-system = [ setuptools-scm ];
@@ -28,8 +28,8 @@ buildPythonPackage rec {
   meta = {
     description = "Open Source tools for Gowin FPGAs";
     homepage = "https://github.com/YosysHQ/apicula";
-    changelog = "https://github.com/YosysHQ/apicula/releases/tag/${version}";
+    changelog = "https://github.com/YosysHQ/apicula/releases/tag/${finalAttrs.version}";
     license = lib.licenses.mit;
     maintainers = with lib.maintainers; [ newam ];
   };
-}
+})