diff --git a/flake.nix b/flake.nix
index f753d9e..19032ed 100644
--- a/flake.nix
+++ b/flake.nix
@@ -26,11 +26,18 @@
         };
 
         # For building the package, we use only the files not ignored by Git as inputs.
-        # Also, flake.nix and flake.lock are not included to avoid rebuilds when
+        # Also, flake.nix, flake.lock and .gitea are not included to avoid rebuilds when
         # working on them.
         src = pkgs.lib.cleanSourceWith {
-          src = gitignore.lib.gitignoreSource ./.;
-          filter = path: type: builtins.elem (builtins.baseNameOf path) [ "flake.nix" "flake.lock" ];
+          src = ./.;
+          filter = gitignore.lib.gitignoreFilterWith {
+            basePath = ./.;
+            extraRules = ''
+              flake.nix
+              flake.lock
+              .gitea
+            '';
+          };
         };
 
         yore = pkgs.lib.pipe