diff --git a/gnome-tweak-tool.spec b/gnome-tweak-tool.spec
index 4ab90a0..4525b6b 100644
--- a/gnome-tweak-tool.spec
+++ b/gnome-tweak-tool.spec
@@ -13,6 +13,7 @@ BuildArch:      noarch
 BuildRequires:  GConf2
 BuildRequires:  intltool
 BuildRequires:  pkgconfig(gsettings-desktop-schemas)
+BuildRequires:  pkgconfig(gtk+-3.0)
 BuildRequires:  pkgconfig(pygobject-3.0)
 BuildRequires:  desktop-file-utils
 Requires:       gnome-shell