diff --git a/libtheora.changes b/libtheora.changes
index 8795aca..adf507d 100644
--- a/libtheora.changes
+++ b/libtheora.changes
@@ -1,3 +1,10 @@
+-------------------------------------------------------------------
+Mon May 23 19:15:11 UTC 2011 - crrodriguez@opensuse.org
+
+- Disable doxygen documentation to avoid build dates in 
+  -devel packages.
+- add missing BuildRequires libpng-devel
+
 -------------------------------------------------------------------
 Fri Dec 18 17:25:50 CET 2009 - jengelh@medozas.de
 
diff --git a/libtheora.spec b/libtheora.spec
index fcad07a..00bda0c 100644
--- a/libtheora.spec
+++ b/libtheora.spec
@@ -19,7 +19,7 @@
 
 
 Name:           libtheora
-BuildRequires:  SDL-devel doxygen gcc-c++ libogg-devel libvorbis-devel pkg-config python
+BuildRequires:  SDL-devel libpng-devel gcc-c++ libogg-devel libvorbis-devel pkg-config python
 Url:            http://www.theora.org/
 License:        BSD3c(or similar)
 Group:          Productivity/Multimedia/Other