diff --git a/zbar.spec b/zbar.spec
index 880e814..e6d649d 100644
--- a/zbar.spec
+++ b/zbar.spec
@@ -88,6 +88,7 @@ This package provides ZBar Qt bindings.
 Summary:        Development environment for the ZBar Qt bindings library
 Group:          Development/Libraries/C and C++
 Provides:       lib%{name}qt-devel
+Requires:       lib%{name}-devel
 Requires:       libzbarqt0 = %{version}, pkgconfig
 
 %description -n libzbarqt0-devel
@@ -107,6 +108,7 @@ This package provides ZBar Gtk bindings.
 Summary:        Development environment for the ZBar Gtk bindings library
 Group:          Development/Libraries/C and C++
 Provides:       lib%{name}gtk-devel
+Requires:       lib%{name}-devel
 Requires:       libzbargtk0 = %{version}, pkgconfig
 
 %description -n libzbargtk0-devel