diff --git a/doc/APIchanges b/doc/APIchanges
index 4af936e983..a911536bb8 100644
--- a/doc/APIchanges
+++ b/doc/APIchanges
@@ -15,6 +15,10 @@ libavutil:     2012-10-22
 
 API changes, most recent first:
 
+2013-09-21 - xxxxxxx - lavu 52.16.0 - pixfmt.h
+  Add interleaved 4:2:2 8/10-bit formats AV_PIX_FMT_NV16 and
+  AV_PIX_FMT_NV20.
+
 2013-09-16 - c74c3fb / 3feb3d6 - lavu 52.44.100 / 52.15.0 - mem.h
   Add av_reallocp.
 
diff --git a/libavutil/version.h b/libavutil/version.h
index 057e9f1328..cc64e4ab10 100644
--- a/libavutil/version.h
+++ b/libavutil/version.h
@@ -75,7 +75,7 @@
  */
 
 #define LIBAVUTIL_VERSION_MAJOR  52
-#define LIBAVUTIL_VERSION_MINOR  45
+#define LIBAVUTIL_VERSION_MINOR  46
 #define LIBAVUTIL_VERSION_MICRO 100
 
 #define LIBAVUTIL_VERSION_INT   AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \