diff --git a/src/Cargo.lock b/src/Cargo.lock
index ee38a043b122c..2d5207e5c6bc8 100644
--- a/src/Cargo.lock
+++ b/src/Cargo.lock
@@ -543,6 +543,7 @@ dependencies = [
  "rustc_back 0.0.0",
  "rustc_const_eval 0.0.0",
  "rustc_const_math 0.0.0",
+ "rustc_data_structures 0.0.0",
  "rustc_errors 0.0.0",
  "rustc_platform_intrinsics 0.0.0",
  "syntax 0.0.0",