diff --git a/crates/crates-io/Cargo.toml b/crates/crates-io/Cargo.toml
index 3e24d4cdc85..632c9487d9f 100644
--- a/crates/crates-io/Cargo.toml
+++ b/crates/crates-io/Cargo.toml
@@ -18,6 +18,5 @@ curl = "0.4"
 anyhow = "1.0.0"
 percent-encoding = "2.0"
 serde = { version = "1.0", features = ['derive'] }
-serde_derive = "1.0"
 serde_json = "1.0"
 url = "2.0"