diff --git a/.rubocop.yml b/.rubocop.yml
index 0946ef5d8488cbee69081bd95635e993085f2e1c..26929e034569479d84c757153dd8835eedde846b 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -957,10 +957,9 @@ Performance/EndWith:
 Performance/LstripRstrip:
   Enabled: true
 
-# TODO: Enable RangeInclude Cop.
 # Use `Range#cover?` instead of `Range#include?`.
 Performance/RangeInclude:
-  Enabled: false
+  Enabled: true
 
 # TODO: Enable RedundantBlockCall Cop.
 # Use `yield` instead of `block.call`.
diff --git a/lib/gitlab/bitbucket_import/client.rb b/lib/gitlab/bitbucket_import/client.rb
index 9b83292ef33adceaa56417156d3252581d977254..8d1ad62fae0b088e51944a88ea45adc86a5c8844 100644
--- a/lib/gitlab/bitbucket_import/client.rb
+++ b/lib/gitlab/bitbucket_import/client.rb
@@ -121,7 +121,7 @@ module Gitlab
 
       def get(url)
         response = api.get(url)
-        raise Unauthorized if (400..499).include?(response.code.to_i)
+        raise Unauthorized if (400..499).cover?(response.code.to_i)
 
         response
       end