diff --git a/CMakeLists.txt b/CMakeLists.txt
index 5d13417..3ed55aa 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -147,7 +147,7 @@
 
 set(VERSION_MAJOR "2")
 set(VERSION_MINOR "10")
-set(VERSION_PATCH "3")
+set(VERSION_PATCH "4")
 
 # Generate LIBRARY_VERSION and LIBRARY_SOVERSION.
 set(LIBTOOL_REGEX "version_info='([0-9]+):([0-9]+):([0-9]+)'")
diff --git a/ChangeLog b/ChangeLog
index 7c4b057..42f7c34 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,26 @@
+2020-10-20  Werner Lemberg  <wl@gnu.org>
+
+	* Version 2.10.4 released.
+	==========================
+
+
+	Tag sources with `VER-2-10-4'.
+
+	* docs/VERSION.TXT: Add entry for version 2.10.4.
+	* docs/CHANGES: Updated.
+
+	* README, src/base/ftver.rc, builds/windows/vc2010/index.html,
+	builds/windows/visualc/index.html,
+	builds/windows/visualce/index.html,
+	builds/wince/vc2005-ce/index.html,
+	builds/wince/vc2008-ce/index.html, docs/freetype-config.1:
+	s/2.10.3/2.10.4/, s/2103/2104/.
+
+	* include/freetype/freetype.h (FREETYPE_PATCH): Set to 4.
+
+	* builds/unix/configure.raw (version_info): Set to 23:4:17.
+	* CMakeLists.txt (VERSION_PATCH): Set to 4.
+
 2020-10-19  Werner Lemberg  <wl@gnu.org>
 
 	[sfnt] Fix heap buffer overflow (#59308).
diff --git a/README b/README
index 2e2e9e2..e4c8cf1 100644
--- a/README
+++ b/README
@@ -1,4 +1,4 @@
-  FreeType 2.10.3
+  FreeType 2.10.4
   ===============
 
   Homepage: https://www.freetype.org
@@ -27,9 +27,9 @@
 
   and download one of the following files.
 
-    freetype-doc-2.10.3.tar.xz
-    freetype-doc-2.10.3.tar.gz
-    ftdoc2103.zip
+    freetype-doc-2.10.4.tar.xz
+    freetype-doc-2.10.4.tar.gz
+    ftdoc2104.zip
 
   To view the documentation online, go to
 
diff --git a/builds/unix/configure.raw b/builds/unix/configure.raw
index 7ac44fb..bc65e45 100644
--- a/builds/unix/configure.raw
+++ b/builds/unix/configure.raw
@@ -17,7 +17,7 @@
 
 # Don't forget to update `docs/VERSIONS.TXT'!
 
-version_info='23:3:17'
+version_info='23:4:17'
 AC_SUBST([version_info])
 ft_version=`echo $version_info | tr : .`
 AC_SUBST([ft_version])
diff --git a/builds/wince/vc2005-ce/index.html b/builds/wince/vc2005-ce/index.html
index 9fdf091..6936a89 100644
--- a/builds/wince/vc2005-ce/index.html
+++ b/builds/wince/vc2005-ce/index.html
@@ -21,7 +21,7 @@
   <li>PPC/SP WM6 (Windows Mobile 6)</li>
 </ul>
 
-It compiles the following libraries from the FreeType 2.10.3 sources:</p>
+It compiles the following libraries from the FreeType 2.10.4 sources:</p>
 
 <ul>
   <pre>
diff --git a/builds/wince/vc2008-ce/index.html b/builds/wince/vc2008-ce/index.html
index b90214f..ee385af 100644
--- a/builds/wince/vc2008-ce/index.html
+++ b/builds/wince/vc2008-ce/index.html
@@ -21,7 +21,7 @@
   <li>PPC/SP WM6 (Windows Mobile 6)</li>
 </ul>
 
-It compiles the following libraries from the FreeType 2.10.3 sources:</p>
+It compiles the following libraries from the FreeType 2.10.4 sources:</p>
 
 <ul>
   <pre>
diff --git a/builds/windows/vc2010/index.html b/builds/windows/vc2010/index.html
index 91ffa20..3b60c5f 100644
--- a/builds/windows/vc2010/index.html
+++ b/builds/windows/vc2010/index.html
@@ -12,7 +12,7 @@
 <p>This directory contains solution and project files for
 Visual&nbsp;C++&nbsp;2010 or newer, named <tt>freetype.sln</tt>,
 and <tt>freetype.vcxproj</tt>.  It compiles the following libraries
-from the FreeType 2.10.3 sources:</p>
+from the FreeType 2.10.4 sources:</p>
 
 <ul>
   <li>freetype.dll using 'Release' or 'Debug' configurations</li>
diff --git a/builds/windows/visualc/index.html b/builds/windows/visualc/index.html
index e8986d0..cec26d2 100644
--- a/builds/windows/visualc/index.html
+++ b/builds/windows/visualc/index.html
@@ -12,7 +12,7 @@
 <p>This directory contains project files <tt>freetype.dsp</tt> for
 Visual C++ 6.0, and <tt>freetype.vcproj</tt> for Visual C++ 2002
 through 2008, which you might need to upgrade automatically.
-It compiles the following libraries from the FreeType 2.10.3 sources:</p>
+It compiles the following libraries from the FreeType 2.10.4 sources:</p>
 
 <ul>
   <li>freetype.dll using 'Release' or 'Debug' configurations</li>
diff --git a/builds/windows/visualce/index.html b/builds/windows/visualce/index.html
index 733dff6..474e85c 100644
--- a/builds/windows/visualce/index.html
+++ b/builds/windows/visualce/index.html
@@ -21,7 +21,7 @@
   <li>PPC/SP WM6 (Windows Mobile 6)</li>
 </ul>
 
-It compiles the following libraries from the FreeType 2.10.3 sources:</p>
+It compiles the following libraries from the FreeType 2.10.4 sources:</p>
 
 <ul>
   <pre>
diff --git a/docs/CHANGES b/docs/CHANGES
index a2f6d87..3bd5291 100644
--- a/docs/CHANGES
+++ b/docs/CHANGES
@@ -1,3 +1,18 @@
+CHANGES BETWEEN 2.10.3 and 2.10.4
+
+  I. IMPORTANT BUG FIXES
+
+  - A heap buffer overflow has been found  in the handling of embedded
+    PNG bitmaps, introduced in FreeType version 2.6.
+
+      https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-15999
+
+    If you  use option  FT_CONFIG_OPTION_USE_PNG  you  should  upgrade
+    immediately.
+
+
+======================================================================
+
 CHANGES BETWEEN 2.10.2 and 2.10.3
 
   I. IMPORTANT CHANGES
diff --git a/docs/VERSIONS.TXT b/docs/VERSIONS.TXT
index 60fac15..4e281a7 100644
--- a/docs/VERSIONS.TXT
+++ b/docs/VERSIONS.TXT
@@ -60,6 +60,7 @@
 
     release     libtool     so
   -------------------------------
+     2.10.4     23.4.17   6.17.4
      2.10.3     23.3.17   6.17.3
      2.10.2     23.2.17   6.17.2
      2.10.1     23.1.17   6.17.1
diff --git a/docs/freetype-config.1 b/docs/freetype-config.1
index 1b048e4..7dea66a 100644
--- a/docs/freetype-config.1
+++ b/docs/freetype-config.1
@@ -1,4 +1,4 @@
-.TH FREETYPE-CONFIG 1 "October 2020" "FreeType 2.10.3"
+.TH FREETYPE-CONFIG 1 "October 2020" "FreeType 2.10.4"
 .
 .
 .SH NAME
diff --git a/include/freetype/freetype.h b/include/freetype/freetype.h
index ffde966..be191f5 100644
--- a/include/freetype/freetype.h
+++ b/include/freetype/freetype.h
@@ -4767,7 +4767,7 @@
    */
 #define FREETYPE_MAJOR  2
 #define FREETYPE_MINOR  10
-#define FREETYPE_PATCH  3
+#define FREETYPE_PATCH  4
 
 
   /**************************************************************************
diff --git a/src/base/ftver.rc b/src/base/ftver.rc
index 15dda7f..0b92e9b 100644
--- a/src/base/ftver.rc
+++ b/src/base/ftver.rc
@@ -18,8 +18,8 @@
 
 #include<windows.h>
 
-#define FT_VERSION      2,10,3,0
-#define FT_VERSION_STR  "2.10.3"
+#define FT_VERSION      2,10,4,0
+#define FT_VERSION_STR  "2.10.4"
 
 VS_VERSION_INFO      VERSIONINFO
 FILEVERSION          FT_VERSION