diff --git a/AUTHORS b/AUTHORS
index c347954..596415c 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -19,7 +19,7 @@ Kenji Rikitake:
 
 Kiwamu Okabe:
     Wrote an OpenOCD scirpt:
-        example-fsm-55/stlink-v2.cfg
+	example-fsm-55/stlink-v2.cfg
 
 Mateusz Zalega:
     Added Nitrokey-Start support.
@@ -28,7 +28,7 @@ Mateusz Zalega:
 NIIBE Yutaka:
     Wrote the library:
 	chopstx.c, entry.c, eventflag.c,
-        chopstx.h, eventflag.h
+	chopstx.h, eventflag.h
     Wrote the drivers mcu/*:
     	clk_gpio_init-mkl27z.c, clk_gpio_init-stm32.c,
 	sys-stm32f103.c, sys-stm32f030.c, sys-mkl27z.c,
@@ -36,9 +36,10 @@ NIIBE Yutaka:
     Drew the logo:
 	chopstx.svg, chopstx.png
     Wrote examples:
-        example-led, example-cdc, example-fsm-55, example-fs-bb48
+	example-led, example-cdc, example-fsm-55, example-fs-bb48,
+	example-usb-serial
     Wrote board/*:
-        board-fst-01.h, board-fst-01-00.h,
+	board-fst-01.h, board-fst-01-00.h,
 	board-olimex-stm32-h103.h, board-stm8s-discovery.h
 	board-cq-starm.h, board-stbee-mini.h, board-stbee.h,
 
@@ -47,7 +48,7 @@ NIIBE Yutaka:
 	board-fs-bb48.h
 
     Under contract of g10 Code GmbH, wrote:
-        mcu/usb-usbip.c
+	mcu/usb-usbip.c
 	contrib/usart-stm32f103.c
 
 Paul Fertser:
diff --git a/ChangeLog b/ChangeLog
index cd0fa9e..a87fcd1 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2018-01-19  NIIBE Yutaka  <gniibe@fsij.org>
+
+	* VERSION: 1.8.
+	* doc/chopstx.texi (VERSION): 1.8.
+
 2018-01-18  NIIBE Yutaka  <gniibe@fsij.org>
 
 	* mcu/stm32f103.h: Include stm32.h and cortex-m.h.
diff --git a/NEWS b/NEWS
index 3d5ef79..50802ee 100644
--- a/NEWS
+++ b/NEWS
@@ -3,12 +3,13 @@ NEWS - Noteworthy changes
 
 * Major changes in Chopstx 1.8
 
-  Released 2018-01-XX
+  Released 2018-01-19
 
-** Minor API fix
+** Minor driver API fix
 In version 1.6, part of mcu/stm32f103.h was moved into mcu/cortex-m.h
 and mcu/stm32.h.  Now, mcu/stm32f103.h automatically includes
-mcu/cortex-m.h and mcu/stm32.h.
+mcu/cortex-m.h and mcu/stm32.h, so that it doesn't break existing
+applications.
 
 
 * Major changes in Chopstx 1.7
diff --git a/README b/README
index a947a11..6463a80 100644
--- a/README
+++ b/README
@@ -1,6 +1,6 @@
 Chopstx - Threads and only Threads
-							 Version 1.7
-							  2017-12-19
+							 Version 1.8
+							  2018-01-19
 							Niibe Yutaka
 					     Flying Stone Technology
 
@@ -27,7 +27,7 @@ Note that this library is _not_ related to the hand game:
     https://en.wikipedia.org/wiki/Chopsticks_(hand_game)
 
 Thanks to Yao Wei and Enrico Zini for giving me an opportunity
-visiting the wiki page above.
+visiting the wiki page above, when my children were playing the game.
 
 
 License
diff --git a/VERSION b/VERSION
index 6c0174d..4c7c5a7 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-release/1.7
+release/1.8
diff --git a/doc/chopstx.texi b/doc/chopstx.texi
index 526ae6a..660f36a 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 1.7
+@set VERSION 1.8
 @settitle Chopstx Reference Manual
 @c Unify some of the indices.
 @syncodeindex tp fn