diff --git a/liboop-glib2.pc.in b/liboop-glib2.pc.in
index de6a8e7baed0267f088359395bde54c7a8187489..eca62e650b9482fe37e31b2c288b5fc3a7b4d607 100644
--- a/liboop-glib2.pc.in
+++ b/liboop-glib2.pc.in
@@ -6,6 +6,6 @@ includedir=@includedir@
 Name: liboop-glib2
 Description: Event loop management library (GLIB2 support)
 Version: @VERSION@
-Requires: liboop = @VERSION@
+Requires: liboop = @VERSION@ glib-2.0
 Libs: -L${libdir} -loop-glib2
 Cflags: -D_REENTRANT -I${includedir}