diff --git a/baselibs.conf b/baselibs.conf
index 91bdc5b..cdd4aa3 100644
--- a/baselibs.conf
+++ b/baselibs.conf
@@ -1 +1,2 @@
 libIlmImf-Imf_2_1-21
+    obsoletes "OpenEXR-<targettype> < <version>"
diff --git a/openexr.changes b/openexr.changes
index e1788e6..153da13 100644
--- a/openexr.changes
+++ b/openexr.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Tue Aug 26 11:21:47 UTC 2014 - fcrozat@suse.com
+
+- Add obsoletes to baselibs.conf.
+
 -------------------------------------------------------------------
 Thu Apr 24 09:54:12 UTC 2014 - dmueller@suse.com