diff --git a/build/css/index.css b/build/css/index.css
index b24531ba..083796e5 100644
--- a/build/css/index.css
+++ b/build/css/index.css
@@ -1,6 +1,6 @@
 /*!
  * 
- *   simple-keyboard v3.4.30
+ *   simple-keyboard v3.4.31
  *   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 6d0ab51b..34d5e599 100644
--- a/build/index.js
+++ b/build/index.js
@@ -1,6 +1,6 @@
 /*!
  * 
- *   simple-keyboard v3.4.30
+ *   simple-keyboard v3.4.31
  *   https://github.com/hodgef/simple-keyboard
  *
  *   Copyright (c) Francisco Hodge (https://github.com/hodgef) and project contributors.
diff --git a/build/index.modern.js b/build/index.modern.js
index e854bd2c..9bca44a9 100644
--- a/build/index.modern.js
+++ b/build/index.modern.js
@@ -1,6 +1,6 @@
 /*!
  * 
- *   simple-keyboard v3.4.30 (index.modern.js - Modern Browsers bundle)
+ *   simple-keyboard v3.4.31 (index.modern.js - Modern Browsers bundle)
  *   https://github.com/hodgef/simple-keyboard
  *
  *   NOTE: This modern browsers bundle (index.modern.js) removes all polyfills