diff --git a/ChangeLog b/ChangeLog
index 4c520da..b91b5ae 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2021-02-25  NIIBE Yutaka  <gniibe@fsij.org>
+
+	* VERSION: 1.2.17.
+
 2021-02-22  NIIBE Yutaka  <gniibe@fsij.org>
 
 	* src/config.h.in (@KDF_DO_REQUIRED_DEFINE@): New.
diff --git a/NEWS b/NEWS
index 9ee20b3..e176059 100644
--- a/NEWS
+++ b/NEWS
@@ -3,17 +3,21 @@ Gnuk NEWS - User visible changes
 
 * Major changes in Gnuk 1.2.17
 
-  Released 2021-02-XX, by NIIBE Yutaka
+  Released 2021-02-25, by NIIBE Yutaka
+
+** GNU/Linux: KDF Data Object is required before keygen and key import
+For GNU/Linux emulation, KDF Data Object is required before keygen and
+key import.
 
 ** GNU/Linux emulation
 Since 1.2.10, it was not build-able because of MHZ definition.  It is
 build-able again, and its USB product string is now "Gnuk Token".  It
 has ACK button support using terminal.  It now has start-up message,
-and its drivers show useful information to setup USBIP.  When no file
+and its driver show useful information to setup USBIP.  When no file
 for the .gnuk-flash-image file, it is automatically created.
 
 ** Removal of tool/gnuk-emulation-setup
-Because it is automatically created, the tool is needed any more.
+Because it is automatically created, the tool is not needed any more.
 
 ** Upgrade of Chopstx
 We use Chopstx 1.19.
diff --git a/README b/README
index 82a553c..7ecf542 100644
--- a/README
+++ b/README
@@ -1,7 +1,7 @@
 Gnuk - An Implementation of USB Cryptographic Token for GnuPG
 
 							 Version 1.2.17
-							     2021-02-XX
+							     2021-02-25
 							   Niibe Yutaka
 				      Free Software Initiative of Japan
 
diff --git a/VERSION b/VERSION
index bf7e6e5..ad9501c 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-release/1.2.16
+release/1.2.17