diff --git a/src/librustdoc/Cargo.toml b/src/librustdoc/Cargo.toml
index 3e510bdc900..d66d2001f23 100644
--- a/src/librustdoc/Cargo.toml
+++ b/src/librustdoc/Cargo.toml
@@ -16,6 +16,7 @@ rustc_back = { path = "../librustc_back" }
 rustc_const_eval = { path = "../librustc_const_eval" }
 rustc_const_math = { path = "../librustc_const_math" }
 rustc_driver = { path = "../librustc_driver" }
+rustc_data_structures = { path = "../librustc_data_structures" }
 rustc_errors = { path = "../librustc_errors" }
 rustc_lint = { path = "../librustc_lint" }
 rustc_metadata = { path = "../librustc_metadata" }
diff --git a/src/rustc/Cargo.lock b/src/rustc/Cargo.lock
index c0db651d7d2..fde2f83e220 100644
--- a/src/rustc/Cargo.lock
+++ b/src/rustc/Cargo.lock
@@ -363,6 +363,7 @@ 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_driver 0.0.0",
  "rustc_errors 0.0.0",
  "rustc_lint 0.0.0",