diff --git a/rb/CHANGES b/rb/CHANGES
index 5c50a629e112c..77c1b8e920788 100644
--- a/rb/CHANGES
+++ b/rb/CHANGES
@@ -1,3 +1,15 @@
+4.0.3 (2021-10-20)
+=========================
+
+Firefox:
+  * Fixed bug avoiding camel casing prefs (#9944 thanks @glaszig)
+
+Ruby:
+  * Fixed bug in Select class for finding by index (#9945)
+
+Remote:
+  * Fixed bug preventing sending keys with an empty value
+
 4.0.2 (2021-10-19)
 =========================
 
diff --git a/rb/lib/selenium/webdriver/version.rb b/rb/lib/selenium/webdriver/version.rb
index 1657374c9d25c..dd2a5f82f9daa 100644
--- a/rb/lib/selenium/webdriver/version.rb
+++ b/rb/lib/selenium/webdriver/version.rb
@@ -19,6 +19,6 @@
 
 module Selenium
   module WebDriver
-    VERSION = '4.0.2'
+    VERSION = '4.0.3'
   end # WebDriver
 end # Selenium