diff --git a/CHANGELOG.md b/CHANGELOG.md
index fdedab0..1c6bb93 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Slim-Lint Changelog
 
+## master (unreleased)
+
+* Ignore `Style/WhileUntilDo` RuboCop cop by default
+
 ## 0.20.1
 
 * Disable `Style/IdenticalConditionalBranches` cop by default
diff --git a/config/default.yml b/config/default.yml
index 255fb60..8560689 100644
--- a/config/default.yml
+++ b/config/default.yml
@@ -72,6 +72,7 @@ linters:
       - Style/IdenticalConditionalBranches
       - Style/IfUnlessModifier
       - Style/Next
+      - Style/WhileUntilDo
       - Style/WhileUntilModifier
 
   Tab: