diff --git a/mutter.spec b/mutter.spec
index a0775bb..46ec142 100644
--- a/mutter.spec
+++ b/mutter.spec
@@ -37,6 +37,7 @@ Patch6:        0002-clutter-Add-ms2ns-helper.patch
 Patch7:        0003-native-Stop-using-real-time-thread-if-it-stalls.patch
 
 BuildRequires: pkgconfig(gobject-introspection-1.0) >= 1.41.0
+BuildRequires: pkgconfig(polkit-gobject-1)
 BuildRequires: pkgconfig(sm)
 BuildRequires: pkgconfig(libwacom)
 BuildRequires: pkgconfig(x11)