diff --git a/ANNOUNCE b/ANNOUNCE
index 775af145b..5517cca92 100644
--- a/ANNOUNCE
+++ b/ANNOUNCE
@@ -1,4 +1,4 @@
-Libpng 1.6.26beta01 - September 1, 2016
+Libpng 1.6.26beta01 - September 3, 2016
 
 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.
@@ -25,9 +25,11 @@ Other information:
 
 Changes since the last public release (1.6.25):
 
-Version 1.6.26beta01 [September 1, 2016]
+Version 1.6.26beta01 [September 3, 2016]
   Fixed handling zero length IDAT in pngfix (bug report by Agostino Sarubbo,
     bugfix by John Bowler).
+  Do not issue a png_error() on read in png_set_pCAL() because png_handle_pCAL
+    has allocated memory that libpng needs to free.
 
 Send comments/corrections/commendations to png-mng-implement at lists.sf.net
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diff --git a/CHANGES b/CHANGES
index b8573f3fd..c95f4efc4 100644
--- a/CHANGES
+++ b/CHANGES
@@ -5703,9 +5703,11 @@ Version 1.6.25rc05 [August 30, 2016]
 Version 1.6.25 [September 1, 2016]
   No changes.
 
-Version 1.6.26beta01 [September 1, 2016]
+Version 1.6.26beta01 [September 3, 2016]
   Fixed handling zero length IDAT in pngfix (bug report by Agostino Sarubbo,
     bugfix by John Bowler).
+  Do not issue a png_error() on read in png_set_pCAL() because png_handle_pCAL
+    has allocated memory that libpng needs to free.
 
 Send comments/corrections/commendations to png-mng-implement at lists.sf.net
 (subscription required; visit
diff --git a/pngset.c b/pngset.c
index 83d6ce22b..aca60e4a6 100644
--- a/pngset.c
+++ b/pngset.c
@@ -1,7 +1,7 @@
 
 /* pngset.c - storage of image information into info struct
  *
- * Last changed in libpng 1.6.24 [August 4, 2016]
+ * Last changed in libpng 1.6.26 [(PENDING RELEASE)]
  * Copyright (c) 1998-2016 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
  * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)