diff --git a/doc/APIchanges b/doc/APIchanges
index 393d44b97f1d195d141ba3129c9d31801862a487..c60128f9461ca27fe0f0416460f523086a293f5e 100644
--- a/doc/APIchanges
+++ b/doc/APIchanges
@@ -12,6 +12,9 @@ libavutil:   2009-03-08
 
 API changes, most recent first:
 
+2010-06-04 - r23461 - lavu 50.17.0 - AV_BASE64_SIZE
+  Add AV_BASE64_SIZE() macro.
+
 2010-06-02 - r23421 - lavc 52.73.0 - av_get_codec_tag_string
   Add av_get_codec_tag_string().
 
diff --git a/libavutil/avutil.h b/libavutil/avutil.h
index 72bd2c5484e6b631b1abd69990bf03e33a66f7e2..b23f42f070bd8da3636e6fced9649ef6d212c8b3 100644
--- a/libavutil/avutil.h
+++ b/libavutil/avutil.h
@@ -40,7 +40,7 @@
 #define AV_VERSION(a, b, c) AV_VERSION_DOT(a, b, c)
 
 #define LIBAVUTIL_VERSION_MAJOR 50
-#define LIBAVUTIL_VERSION_MINOR 16
+#define LIBAVUTIL_VERSION_MINOR 17
 #define LIBAVUTIL_VERSION_MICRO  0
 
 #define LIBAVUTIL_VERSION_INT   AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \