diff --git a/config/default.yml b/config/default.yml
index bed6307f..0ea967a6 100644
--- a/config/default.yml
+++ b/config/default.yml
@@ -68,10 +68,10 @@ Layout/BlockAlignment:
 Layout/BlockEndNewline:
   Enabled: true
 
-# TODO: Enable this since it's in the styleguide.
 Layout/CaseIndentation:
-  Enabled: false
+  Enabled: true
   StyleGuide: https://github.com/github/rubocop-github/blob/main/STYLEGUIDE.md#indent-when-as-start-of-case
+  EnforcedStyle: end
 
 Layout/ClassStructure:
   Enabled: false