diff --git a/mono-core.changes b/mono-core.changes
index 569c3b7..1f4b9c3 100644
--- a/mono-core.changes
+++ b/mono-core.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Tue Nov 19 10:18:08 UTC 2010 - dimstar@opensuse.org
+
+- Require libmono-2_0-1 by libmono-2_0-devel.
+
 -------------------------------------------------------------------
 Thu Nov 18 22:34:12 UTC 2010 - ajorgensen@novell.com
 
diff --git a/mono-core.spec b/mono-core.spec
index be32dbe..593b103 100644
--- a/mono-core.spec
+++ b/mono-core.spec
@@ -332,6 +332,7 @@ License:        LGPLv2.1
 Summary:        Development files for libmono
 Group:          Development/Languages/Mono
 Requires:       mono-core == %version-%release
+Requires:       libmono-2_0-1
 
 %description -n libmono-2_0-devel
 The Mono Project is an open development initiative that is working to