diff --git a/baselibs.conf b/baselibs.conf
index 00bfe20..bea60b9 100644
--- a/baselibs.conf
+++ b/baselibs.conf
@@ -1,3 +1,3 @@
 libsndfile1
   provides "libsndfile-<targettype> = <version>"
-  obsoletes "libsndfile-<targettype> < <version>"
+  obsoletes "libsndfile-<targettype> <= 1.0.25"
diff --git a/libsndfile.spec b/libsndfile.spec
index 0ee1dd7..6b6b0bf 100644
--- a/libsndfile.spec
+++ b/libsndfile.spec
@@ -58,7 +58,7 @@ currently read and write 8, 16, 24, and 32-bit PCM files as well as
 Summary:        A Library to Handle Various Audio File Formats
 Group:          System/Libraries
 Provides:       %{name} = %{version}
-Obsoletes:      %{name} < %{version}
+Obsoletes:      %{name} <= 1.0.25
 
 %description -n %lname
 Libsndfile is a C library for reading and writing sound files, such