diff --git a/build/css/index.css b/build/css/index.css
index bb5895a6..37c26199 100644
--- a/build/css/index.css
+++ b/build/css/index.css
@@ -1,6 +1,6 @@
 /*!
  * 
- *   simple-keyboard v3.1.30
+ *   simple-keyboard v3.1.31
  *   https://github.com/hodgef/simple-keyboard
  *
  *   Copyright (c) Francisco Hodge (https://github.com/hodgef) and project contributors.
diff --git a/build/index.js b/build/index.js
index 364241ed..a6b2151e 100644
--- a/build/index.js
+++ b/build/index.js
@@ -1,6 +1,6 @@
 /*!
  * 
- *   simple-keyboard v3.1.30
+ *   simple-keyboard v3.1.31
  *   https://github.com/hodgef/simple-keyboard
  *
  *   Copyright (c) Francisco Hodge (https://github.com/hodgef) and project contributors.