diff --git a/spec/webdrivers/chromedriver_spec.rb b/spec/webdrivers/chromedriver_spec.rb
index 81867dac..82107ade 100644
--- a/spec/webdrivers/chromedriver_spec.rb
+++ b/spec/webdrivers/chromedriver_spec.rb
@@ -168,8 +168,8 @@
     end
 
     it 'raises VersionError for beta version' do
-      allow(chromedriver).to receive(:browser_version).and_return Gem::Version.new('100.0.0')
-      msg = 'Unable to find latest point release version for 100.0.0. '\
+      allow(chromedriver).to receive(:browser_version).and_return Gem::Version.new('999.0.0')
+      msg = 'Unable to find latest point release version for 999.0.0. '\
 'You appear to be using a non-production version of Chrome. '\
 'Please set `Webdrivers::Chromedriver.required_version = <desired driver version>` '\
 'to a known chromedriver version: https://chromedriver.storage.googleapis.com/index.html'