diff --git a/ChangeLog b/ChangeLog
index d4f2da0..32b9247 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2019-05-22  NIIBE Yutaka  <gniibe@fsij.org>
+
+	* VERSION: 1.16.
+	* doc/chopstx.texi (VERSION): 1.16.
+
 2019-05-22  Evangelos Rigas <erigas@rnd2.org>
 
 	* board/board-gnukey-ds.h: New.
diff --git a/NEWS b/NEWS
index 5dfec8f..ce2e287 100644
--- a/NEWS
+++ b/NEWS
@@ -3,7 +3,7 @@ NEWS - Noteworthy changes
 
 * Major changes in Chopstx 1.16
 
-  Released 2019-05-xx
+  Released 2019-05-22
 
 ** New board support: Gnukey-DS
 It is contributed by Evangelos Rigas.
diff --git a/VERSION b/VERSION
index fc2de1b..c6dbf81 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-release/1.15
+release/1.16
diff --git a/doc/chopstx.texi b/doc/chopstx.texi
index ecd0ca5..d30e7da 100644
--- a/doc/chopstx.texi
+++ b/doc/chopstx.texi
@@ -1,7 +1,7 @@
 \input texinfo                      @c -*-texinfo-*-
 @c %**start of header
 @setfilename chopstx.info
-@set VERSION 1.15
+@set VERSION 1.16
 @settitle Chopstx Reference Manual
 @c Unify some of the indices.
 @syncodeindex tp fn