diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog
index fd3212332..fec380deb 100644
--- a/winsup/cygwin/ChangeLog
+++ b/winsup/cygwin/ChangeLog
@@ -1,3 +1,15 @@
+2013-05-21  Corinna Vinschen  <corinna@vinschen.de>
+
+	* Makefile.in (DLL_OFILES): Add arc4random.o.
+	* common.din: Export arc4random, arc4random_addrandom, arc4random_buf,
+	arc4random_stir and arc4random_uniform.
+	* mktemp.cc (arc4random): Remove static replacement function.
+	* posix.sgml (std-bsd): Add arc4random functions.
+	* include/cygwin/stdlib.h: Declare arc4random functions.
+	* include/cygwin/version.h (CYGWIN_VERSION_API_MINOR): Bump.
+	* libc/arc4random.cc: New file implementing arc4random functions taken
+	from FreeBSD.
+
 2013-05-21  Corinna Vinschen  <corinna@vinschen.de>
 
 	* globals.cc (__isthreaded): New global variable.  Explain what it's