diff --git a/README.md b/README.md
index fc3f3be..cabfe7a 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# Digital Synth VRA8-U v1.3.0
+# Digital Synth VRA8-U v1.4.0
 
 - 2022-12-03 ISGK Instruments
 - <https://github.com/risgk/digital-synth-vra8-u>
@@ -143,11 +143,11 @@ This image was created with Fritzing.
 
 ![CC0](http://i.creativecommons.org/p/zero/1.0/88x31.png)
 
-Digital Synth VRA8-U v1.3.0 by ISGK Instruments (Ryo Ishigaki)
+Digital Synth VRA8-U v1.4.0 by ISGK Instruments (Ryo Ishigaki)
 
 To the extent possible under law, ISGK Instruments (Ryo Ishigaki)
 has waived all copyright and related or neighboring rights
-to Digital Synth VRA8-U v1.3.0.
+to Digital Synth VRA8-U v1.4.0.
 
 You should have received a copy of the CC0 legalcode along with this
 work.  If not, see <http://creativecommons.org/publicdomain/zero/1.0/>.