diff --git a/Gemfile b/Gemfile
index 9604bb0..a495d29 100644
--- a/Gemfile
+++ b/Gemfile
@@ -18,7 +18,7 @@ end
 # We don't put beaker in as a test dependency because we
 # don't want to create a transitive dependency
 group :acceptance_testing do
-  gem "beaker", *location_for(ENV['BEAKER_VERSION'] || '~> 3.0')
+  gem "beaker", *location_for(ENV['BEAKER_VERSION'] || '~> 4.0')
 end