diff --git a/doc/APIchanges b/doc/APIchanges
index 78e37f4e95..34faf01153 100644
--- a/doc/APIchanges
+++ b/doc/APIchanges
@@ -16,7 +16,7 @@ API changes, most recent first:
 2012-03-04 - xxxxxxx - lavu 51.22.1 - error.h
   Add AVERROR_UNKNOWN
 
-2012-02-29 - xxxxxxx - lavf 53.21.0
+2012-02-29 - xxxxxxx - lavf 53.21.1
   Add avformat_get_riff_video_tags() and avformat_get_riff_audio_tags().
 
 2012-02-29 - xxxxxxx - lavu 51.22.0 - intfloat.h
diff --git a/libavformat/version.h b/libavformat/version.h
index 009a60b1ad..c0ca05a539 100644
--- a/libavformat/version.h
+++ b/libavformat/version.h
@@ -31,7 +31,7 @@
 
 #define LIBAVFORMAT_VERSION_MAJOR 53
 #define LIBAVFORMAT_VERSION_MINOR 21
-#define LIBAVFORMAT_VERSION_MICRO  0
+#define LIBAVFORMAT_VERSION_MICRO  1
 
 #define LIBAVFORMAT_VERSION_INT AV_VERSION_INT(LIBAVFORMAT_VERSION_MAJOR, \
                                                LIBAVFORMAT_VERSION_MINOR, \