diff --git a/actix-codec/Cargo.toml b/actix-codec/Cargo.toml
index d647ab70..cab79a9e 100644
--- a/actix-codec/Cargo.toml
+++ b/actix-codec/Cargo.toml
@@ -19,8 +19,8 @@ path = "src/lib.rs"
 [dependencies]
 bitflags = "1.2.1"
 bytes = "0.5.2"
-futures-core = "0.3.1"
-futures-sink = "0.3.1"
+futures-core = { version = "0.3.4", default-features = false }
+futures-sink = { version = "0.3.4", default-features = false }
 tokio = { version = "0.2.4", default-features=false }
 tokio-util = { version = "0.2.0", default-features=false, features=["codec"] }
 log = "0.4"