diff --git a/Cargo.lock b/Cargo.lock
index 870259429742..9e4b2915feff 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -666,6 +666,7 @@ dependencies = [
  "indoc",
  "itertools",
  "opener",
+ "rustc-literal-escaper",
  "walkdir",
 ]