diff --git a/Changelog b/Changelog
index 4f5651bd7f..60eaea0216 100644
--- a/Changelog
+++ b/Changelog
@@ -1,6 +1,23 @@
 Entries are sorted chronologically from oldest to youngest within each release,
 releases are sorted from youngest to oldest.
 
+version 2.5.3:
+- vp9: fix parser return values in error case
+- ffmpeg: Clear error message array at init.
+- avcodec/dvdsubdec: fix accessing dangling pointers
+- avcodec/dvdsubdec: error on bitmaps with size 0
+- cmdutils: Use 64bit for file size/offset related variable in cmdutils_read_file()
+- mov: Fix negative size calculation in mov_read_default().
+- avformat/mov: fix integer overflow in mov_read_udta_string()
+- mov: Fix overflow and error handling in read_tfra().
+- mov: Avoid overflow with mov_metadata_raw()
+- avcodec/dvdsubdec: fix out of bounds accesses
+- avfilter/vf_sab: fix filtering tiny images
+- avformat/flvdec: Increase string array size
+- avformat/flvdec: do not inject dts=0 metadata packets which failed to be parsed into a new data stream
+- avformat/cdxl: Fix integer overflow of image_size
+- libavformat: Build hevc.o when building the RTP muxer
+
 version 2.5.2:
 - avcodec/indeo3: ensure offsets are non negative
 - avcodec/h264: Check *log2_weight_denom
diff --git a/RELEASE b/RELEASE
index f225a78adf..aedc15bb0c 100644
--- a/RELEASE
+++ b/RELEASE
@@ -1 +1 @@
-2.5.2
+2.5.3
diff --git a/doc/Doxyfile b/doc/Doxyfile
index 1cde20bd2f..4138903697 100644
--- a/doc/Doxyfile
+++ b/doc/Doxyfile
@@ -31,7 +31,7 @@ PROJECT_NAME           = FFmpeg
 # This could be handy for archiving the generated documentation or
 # if some version control system is used.
 
-PROJECT_NUMBER         = 2.5.2
+PROJECT_NUMBER         = 2.5.3
 
 # With the PROJECT_LOGO tag one can specify a logo or icon that is included
 # in the documentation. The maximum height of the logo should not exceed 55