diff --git a/lightning-block-sync/Cargo.toml b/lightning-block-sync/Cargo.toml
index 465df83247c..8966926d8f0 100644
--- a/lightning-block-sync/Cargo.toml
+++ b/lightning-block-sync/Cargo.toml
@@ -20,7 +20,7 @@ rpc-client = [ "serde_json", "chunked_transfer" ]
 [dependencies]
 bitcoin = "0.29.0"
 lightning = { version = "0.0.118", path = "../lightning" }
-tokio = { version = "1.0", features = [ "io-util", "net", "time" ], optional = true }
+tokio = { version = "1.0", features = [ "io-util", "net", "time", "rt" ], optional = true }
 serde_json = { version = "1.0", optional = true }
 chunked_transfer = { version = "1.4", optional = true }