diff --git a/xtask/Cargo.toml b/xtask/Cargo.toml
index 1a1140b04e..e9edbdd10b 100644
--- a/xtask/Cargo.toml
+++ b/xtask/Cargo.toml
@@ -18,3 +18,4 @@ quote = "1.0.2"
 ungrammar = "1.1.1"
 walkdir = "2.3.1"
 write-json =  "0.1.0"
+# Avoid adding more dependencies to this crate