diff --git a/doc/APIchanges b/doc/APIchanges
index ad57ae29d6..565f7e091e 100644
--- a/doc/APIchanges
+++ b/doc/APIchanges
@@ -14,6 +14,9 @@ libavutil:     2021-04-27
 
 API changes, most recent first:
 
+2021-11-17 - xxxxxxxxxx - lavf 57.9.100 - frame.h
+  Add AV_FRAME_DATA_DOVI_RPU_BUFFER.
+
 2021-11-xx - xxxxxxxxxx - lavf 59.9.100 - avformat.h
   Add av_stream_get_class(). Schedule adding AVStream.av_class at libavformat
   major version 60.
diff --git a/libavutil/frame.c b/libavutil/frame.c
index 2617cda2b5..d4d3ad6988 100644
--- a/libavutil/frame.c
+++ b/libavutil/frame.c
@@ -728,6 +728,7 @@ const char *av_frame_side_data_name(enum AVFrameSideDataType type)
     case AV_FRAME_DATA_SEI_UNREGISTERED:            return "H.26[45] User Data Unregistered SEI message";
     case AV_FRAME_DATA_FILM_GRAIN_PARAMS:           return "Film grain parameters";
     case AV_FRAME_DATA_DETECTION_BBOXES:            return "Bounding boxes for object detection and classification";
+    case AV_FRAME_DATA_DOVI_RPU_BUFFER:             return "Dolby Vision RPU Data";
     }
     return NULL;
 }
diff --git a/libavutil/frame.h b/libavutil/frame.h
index ff2540a20f..14097f0620 100644
--- a/libavutil/frame.h
+++ b/libavutil/frame.h
@@ -187,6 +187,13 @@ enum AVFrameSideDataType {
      * as described by AVDetectionBBoxHeader.
      */
     AV_FRAME_DATA_DETECTION_BBOXES,
+
+    /**
+     * Dolby Vision RPU data, suitable for passing to x265
+     * or other libraries. Array of uint8_t, with NAL emulation
+     * bytes intact.
+     */
+    AV_FRAME_DATA_DOVI_RPU_BUFFER,
 };
 
 enum AVActiveFormatDescription {
diff --git a/libavutil/version.h b/libavutil/version.h
index 5ebef06829..d94fb691d7 100644
--- a/libavutil/version.h
+++ b/libavutil/version.h
@@ -79,7 +79,7 @@
  */
 
 #define LIBAVUTIL_VERSION_MAJOR  57
-#define LIBAVUTIL_VERSION_MINOR   8
+#define LIBAVUTIL_VERSION_MINOR   9
 #define LIBAVUTIL_VERSION_MICRO 100
 
 #define LIBAVUTIL_VERSION_INT   AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \