diff --git a/Cargo.toml b/Cargo.toml
index 188267e1..c64e0b41 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -39,7 +39,7 @@ tar = "0.4.38"
 tempfile = "3.3.0"
 thiserror = "1.0.31"
 tinytemplate = "1.2.1"
-tokio = { version = "1.19.1", features = [ "rt-multi-thread", "process" ], default-features = false }
+tokio = { version = "1.19.1", features = [ "rt-multi-thread", "process", "sync" ], default-features = false }
 url = "2.2.2"
 xz2 = "0.1.6"