diff --git a/pkgs/development/libraries/gtk/4.x.nix b/pkgs/development/libraries/gtk/4.x.nix
index 2d14823accf4..f56a6eaad013 100644
--- a/pkgs/development/libraries/gtk/4.x.nix
+++ b/pkgs/development/libraries/gtk/4.x.nix
@@ -54,6 +54,7 @@
 , Cocoa
 , libexecinfo
 , broadwaySupport ? true
+, testers
 }:
 
 let
@@ -66,7 +67,7 @@ let
 
 in
 
-stdenv.mkDerivation rec {
+stdenv.mkDerivation (finalAttrs: {
   pname = "gtk4";
   version = "4.12.4";
 
@@ -79,7 +80,7 @@ stdenv.mkDerivation rec {
   ];
 
   src = fetchurl {
-    url = "mirror://gnome/sources/gtk/${lib.versions.majorMinor version}/gtk-${version}.tar.xz";
+    url = with finalAttrs; "mirror://gnome/sources/gtk/${lib.versions.majorMinor version}/gtk-${version}.tar.xz";
     sha256 = "umfGSY5Vmfko7a+54IoyCt+qUKsvDab8arIlL8LVdSA=";
   };
 
@@ -109,7 +110,7 @@ stdenv.mkDerivation rec {
     wayland-scanner
   ] ++ lib.optionals vulkanSupport [
     shaderc # for glslc
-  ] ++ setupHooks;
+  ] ++ finalAttrs.setupHooks;
 
   buildInputs = [
     libxkbcommon
@@ -245,7 +246,7 @@ stdenv.mkDerivation rec {
 
     for program in ''${demos[@]}; do
       wrapProgram $dev/bin/$program \
-        --prefix XDG_DATA_DIRS : "$GSETTINGS_SCHEMAS_PATH:$out/share/gsettings-schemas/${pname}-${version}"
+        --prefix XDG_DATA_DIRS : "$GSETTINGS_SCHEMAS_PATH:$out/share/gsettings-schemas/${finalAttrs.pname}-${finalAttrs.version}"
     done
   '' + lib.optionalString x11Support ''
     # Cannot be in postInstall, otherwise _multioutDocs hook in preFixup will move right back.
@@ -258,6 +259,11 @@ stdenv.mkDerivation rec {
       versionPolicy = "odd-unstable";
       attrPath = "gtk4";
     };
+    tests = {
+      pkg-config = testers.hasPkgConfigModules {
+        package = finalAttrs.finalPackage;
+      };
+    };
   };
 
   meta = with lib; {
@@ -276,6 +282,13 @@ stdenv.mkDerivation rec {
     license = licenses.lgpl2Plus;
     maintainers = teams.gnome.members ++ (with maintainers; [ raskin ]);
     platforms = platforms.all;
-    changelog = "https://gitlab.gnome.org/GNOME/gtk/-/raw/${version}/NEWS";
+    changelog = "https://gitlab.gnome.org/GNOME/gtk/-/raw/${finalAttrs.version}/NEWS";
+    pkgConfigModules = [
+      "gtk4"
+      "gtk4-broadway"
+      "gtk4-unix-print"
+      "gtk4-wayland"
+      "gtk4-x11"
+    ];
   };
-}
+})