diff --git a/ANNOUNCE b/ANNOUNCE
index 807891189..6b4a133d9 100644
--- a/ANNOUNCE
+++ b/ANNOUNCE
@@ -337,6 +337,7 @@ version 1.5.0beta39 [August 2, 2010]
 version 1.5.0beta40 [August 4, 2010]
   Correct use of _WINDOWS_ in pngconf.h
   Removed png_mem_ #defines; they are no longer used.
+  Added the sRGB chunk to pngtest.png
 
 Send comments/corrections/commendations to png-mng-implement at lists.sf.net:
 (subscription required; visit
diff --git a/CHANGES b/CHANGES
index 9df8918ae..6962ac2ed 100644
--- a/CHANGES
+++ b/CHANGES
@@ -2819,6 +2819,7 @@ version 1.5.0beta39 [August 2, 2010]
 version 1.5.0beta40 [August 4, 2010]
   Correct use of _WINDOWS_ in pngconf.h
   Removed png_mem_ #defines; they are no longer used.
+  Added the sRGB chunk to pngtest.png
 
 projects/vstudio now builds and runs all tests (pngvalid added),
 however the DLL builds are probably not useful as there seems to be no
diff --git a/pngtest.png b/pngtest.png
index 556f99448..bc99c4e80 100644
Binary files a/pngtest.png and b/pngtest.png differ