diff --git a/pkgs/development/libraries/harfbuzz/default.nix b/pkgs/development/libraries/harfbuzz/default.nix
index e47b18252e9..b7ba05bb79b 100644
--- a/pkgs/development/libraries/harfbuzz/default.nix
+++ b/pkgs/development/libraries/harfbuzz/default.nix
@@ -21,6 +21,12 @@
 , gtk-doc
 , docbook-xsl-nons
 , docbook_xml_dtd_43
+# for passthru.tests
+, gimp
+, gtk3
+, gtk4
+, mapnik
+, qt5
 }:
 
 let
@@ -99,6 +105,11 @@ stdenv.mkDerivation {
     ''}
   '';
 
+  passthru.tests = {
+    inherit gimp gtk3 gtk4 mapnik;
+    inherit (qt5) qtbase;
+  };
+
   meta = with lib; {
     description = "An OpenType text shaping engine";
     homepage = "https://harfbuzz.github.io/";