diff --git a/src/Cargo.lock b/src/Cargo.lock
index 926016e5f0262..5d9f84650470d 100644
--- a/src/Cargo.lock
+++ b/src/Cargo.lock
@@ -2074,6 +2074,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 name = "rustc-workspace-hack"
 version = "1.0.0"
 dependencies = [
+ "rand 0.5.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.31 (registry+https://github.com/rust-lang/crates.io-index)",
  "syn 0.14.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
diff --git a/src/tools/clippy b/src/tools/clippy
index e69fe2fb19b7b..c47b9489ab4f2 160000
--- a/src/tools/clippy
+++ b/src/tools/clippy
@@ -1 +1 @@
-Subproject commit e69fe2fb19b7b2f3b07fe1178c536810dabf896f
+Subproject commit c47b9489ab4f2124e2e93a3b1ec8a2eeafe54cf4
diff --git a/src/tools/rustc-workspace-hack/Cargo.toml b/src/tools/rustc-workspace-hack/Cargo.toml
index 755b172dd1b2c..77ffe41d7f679 100644
--- a/src/tools/rustc-workspace-hack/Cargo.toml
+++ b/src/tools/rustc-workspace-hack/Cargo.toml
@@ -47,3 +47,11 @@ features = [
   "wincon",
   "wincrypt",
 ]
+
+[dependencies.serde_json]
+version = "1.0.31"
+features = ["raw_value"]
+
+[dependencies.rand]
+version = "0.5.5"
+features = ["i128_support"]