diff --git a/doc/APIchanges b/doc/APIchanges
index 59356c5f0b..3d35463d27 100644
--- a/doc/APIchanges
+++ b/doc/APIchanges
@@ -12,6 +12,9 @@ libavutil:   2009-03-08
 
 API changes, most recent first:
 
+2010-03-13 - r22506 - lavfi 1.18.0 - AVFilterPicRef.pos
+  Add AVFilterPicRef.pos field.
+
 2010-03-13 - r22501 - lavu 50.12.0 - error.h
   Move error code definitions from libavcodec/avcodec.h to
   the new public header libavutil/error.h.
diff --git a/libavfilter/avfilter.h b/libavfilter/avfilter.h
index f181689d8e..060c6758bb 100644
--- a/libavfilter/avfilter.h
+++ b/libavfilter/avfilter.h
@@ -25,7 +25,7 @@
 #include "libavutil/avutil.h"
 
 #define LIBAVFILTER_VERSION_MAJOR  1
-#define LIBAVFILTER_VERSION_MINOR 17
+#define LIBAVFILTER_VERSION_MINOR 18
 #define LIBAVFILTER_VERSION_MICRO  0
 
 #define LIBAVFILTER_VERSION_INT AV_VERSION_INT(LIBAVFILTER_VERSION_MAJOR, \