--- a/src/signon-ui.pro
+++ b/src/signon-ui.pro
@@ -20,9 +20,11 @@ QT += \
     webkit
 
 PKGCONFIG += \
-    signon-plugins-common \
+    gobject-2.0 \
+    glib-2.0 \
     libnotify \
-    libproxy-1.0
+    libproxy-1.0 \
+    signon-plugins-common
 
 lessThan(QT_MAJOR_VERSION, 5) {
     PKGCONFIG += \