diff --git a/rb/selenium-webdriver.gemspec b/rb/selenium-webdriver.gemspec
index 7b1901ba6d887..369b3dab452d5 100644
--- a/rb/selenium-webdriver.gemspec
+++ b/rb/selenium-webdriver.gemspec
@@ -7,7 +7,7 @@ end
 
 Gem::Specification.new do |s|
   s.name    = "selenium-webdriver"
-  s.version = "2.52.0"
+  s.version = "2.53.0dev"
 
   s.authors     = ["Jari Bakken"]
   s.email       = "jari.bakken@gmail.com"