diff --git a/actix-utils/Cargo.toml b/actix-utils/Cargo.toml
index 2384c191..f2e98425 100644
--- a/actix-utils/Cargo.toml
+++ b/actix-utils/Cargo.toml
@@ -19,7 +19,7 @@ path = "src/lib.rs"
 actix-rt = { version = "2.0.0", default-features = false }
 actix-service = "2.0.0-beta.5"
 
-futures-core = { version = "0.3.7", default-features = false }
+futures-core = { version = "0.3.7", default-features = false, features = ["alloc"] }
 futures-sink = { version = "0.3.7", default-features = false }
 local-waker = "0.1"
 log = "0.4"