diff --git a/ANNOUNCE b/ANNOUNCE
index dfb8498..9215aa3 100644
--- a/ANNOUNCE
+++ b/ANNOUNCE
@@ -1,5 +1,5 @@
 
-Libpng 1.2.10beta3 - April 15, 2006
+Libpng 1.2.10beta4 - April 16, 2006
 
 This is not intended to be a public release.  It will be replaced
 within a few weeks by a public version or by another test version.
@@ -9,32 +9,32 @@
 Source files with LF line endings (for Unix/Linux) and with a
 "configure" script
 
-   1.2.10beta3.tar.gz
-   1.2.10beta3.tar.bz2
+   1.2.10beta4.tar.gz
+   1.2.10beta4.tar.bz2
 
 Source files with LF line endings (for Unix/Linux) without the
 "configure" script
 
-   1.2.10beta3-no-config.tar.gz
-   1.2.10beta3-no-config.tar.bz2
+   1.2.10beta4-no-config.tar.gz
+   1.2.10beta4-no-config.tar.bz2
 
 Source files with CRLF line endings (for Windows), without the
 "configure" script
 
-   lp1210b03.zip
-   lp1210b03.tar.bz2
+   lp1210b04.zip
+   lp1210b04.tar.bz2
 
 Project files
 
-   1.2.10beta3-project-netware.zip
-   1.2.10beta3-project-wince.zip
+   1.2.10beta4-project-netware.zip
+   1.2.10beta4-project-wince.zip
 
 Other information:
 
-   1.2.10beta3-README.txt
-   1.2.10beta3-KNOWNBUGS.txt
-   1.2.10beta3-LICENSE.txt
-   1.2.10beta3-Y2K-compliance.txt
+   1.2.10beta4-README.txt
+   1.2.10beta4-KNOWNBUGS.txt
+   1.2.10beta4-LICENSE.txt
+   1.2.10beta4-Y2K-compliance.txt
 
 Changes since the last public release (1.2.9):
 
@@ -50,6 +50,9 @@
 version 1.2.10beta3 [April 15, 2006]
   Change png_conf.h back to config.h in pngconf.h.
 
+version 1.2.10beta4 [April 16, 2006]
+  Change PNG_BUILDING_LIBPNG to PNG_CONFIGURE_LIBPNG in config/Makefile*.
+
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