diff --git a/Cargo.toml b/Cargo.toml
index f56e5ac..d50554d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -14,7 +14,7 @@ description = "An RPC framework for Rust with a focus on ease of use."
 bincode = "0.6"
 byteorder = "0.5"
 bytes = "0.3"
-futures = "0.1"
+futures = "0.1.7"
 lazy_static = "0.2"
 log = "0.3"
 scoped-pool = "1.0"