diff --git a/python/servo/bootstrap_commands.py b/python/servo/bootstrap_commands.py
index cca52b7f1f4..ff65912f0df 100644
--- a/python/servo/bootstrap_commands.py
+++ b/python/servo/bootstrap_commands.py
@@ -107,7 +107,8 @@ class MachCommands(CommandBase):
         os.mkdir(cargo_dir)
 
         tgz_file = "cargo-nightly-%s.tar.gz" % host_triple()
-        nightly_url = "http://static.rust-lang.org/cargo-dist/%s" % tgz_file
+        # FIXME(#3582): use https.
+        nightly_url = "http://static.rust-lang.org/cargo-dist/2014-10-02/%s" % tgz_file
 
         download("Cargo nightly", nightly_url, tgz_file)