diff --git a/npm_and_yarn/.rubocop.yml b/npm_and_yarn/.rubocop.yml
index fc2019d46a..b8168698e8 100644
--- a/npm_and_yarn/.rubocop.yml
+++ b/npm_and_yarn/.rubocop.yml
@@ -1 +1,4 @@
 inherit_from: ../.rubocop.yml
+
+Sorbet/TrueSigil:
+  Enabled: true