diff --git a/Library/.rubocop.yml b/Library/.rubocop.yml
index b839f3da22..89dcaa463d 100644
--- a/Library/.rubocop.yml
+++ b/Library/.rubocop.yml
@@ -121,3 +121,13 @@ Style/SignalException:
 # trailing commas in method argument lists are a syntax error in 1.8
 Style/TrailingComma:
   Enabled: false
+
+# We prefer compact if-else-end/case-when-end alignment
+Lint/EndAlignment:
+  AlignWith: variable
+Style/CaseIndentation:
+  IndentWhenRelativeTo: end
+
+# We prefer Perl-style regex back references
+Style/PerlBackrefs:
+  Enabled: false