diff --git a/pkgs/build-support/rust/default-crate-overrides.nix b/pkgs/build-support/rust/default-crate-overrides.nix
index c9d2913c4fd4..971c4d0f5e22 100644
--- a/pkgs/build-support/rust/default-crate-overrides.nix
+++ b/pkgs/build-support/rust/default-crate-overrides.nix
@@ -19,7 +19,7 @@ in
     crateBin = [ { name = "cargo-vendor"; path = "src/main.rs"; } ];
   };
   curl-sys = attrs: {
-    buildInputs = [ pkgconfig ];
+    buildInputs = [ pkgconfig zlib ];
     propagatedBuiltInputs = [ curl ];
   };
   libgit2-sys = attrs: {