diff --git a/pkgs/by-name/se/seabird/package.nix b/pkgs/by-name/se/seabird/package.nix
index 6aae87efa83f..bd40f2726caa 100644
--- a/pkgs/by-name/se/seabird/package.nix
+++ b/pkgs/by-name/se/seabird/package.nix
@@ -27,13 +27,13 @@ buildGo122Module rec {
 
   nativeBuildInputs = [
     copyDesktopItems
+    gobject-introspection
     libxml2
     pkg-config
     wrapGAppsHook4
   ];
 
   buildInputs = [
-    gobject-introspection
     gtk4
     gtksourceview5
     libadwaita
@@ -42,6 +42,8 @@ buildGo122Module rec {
 
   ldflags = [ "-s" "-w" ];
 
+  enableParallelBuilding = true;
+
   postPatch = ''
     substituteInPlace main.go --replace-fail 'version = "dev"' 'version = "${version}"'
   '';
diff --git a/pkgs/tools/audio/catnip-gtk4/default.nix b/pkgs/tools/audio/catnip-gtk4/default.nix
index da677d71bc03..5d0f9182ce24 100644
--- a/pkgs/tools/audio/catnip-gtk4/default.nix
+++ b/pkgs/tools/audio/catnip-gtk4/default.nix
@@ -22,18 +22,20 @@ buildGoModule {
   vendorHash = "sha256-gcr3e5Fm2xCTOoTgl71Dv3rxI6gQbqRz0M1NO7fAZk0=";
 
   nativeBuildInputs = [
+    gobject-introspection
     pkg-config
     wrapGAppsHook4
   ];
 
   buildInputs = [
-    gobject-introspection
     gtk4
     libadwaita
   ];
 
   ldflags = [ "-s" "-w" ];
 
+  enableParallelBuilding = true;
+
   meta = with lib; {
     description = "GTK4 frontend for catnip";
     homepage = "https://github.com/diamondburned/catnip-gtk4";