diff --git a/Cargo.toml b/Cargo.toml
index b33524f08b..015d99a95e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -29,6 +29,7 @@ database-sqlite = [
 ]
 std = [
     "async-std",
+    "futures/std",
     "futures/thread-pool",
     "pin-project",
     "schnorrkel/getrandom", # TODO: necessary for signing; clarify in docs and in source code
@@ -54,7 +55,7 @@ ed25519-zebra = { version = "3.0.0", default-features = false }
 either = { version = "1.8.0", default-features = false }
 event-listener = { version = "2.5.3" }  # TODO: no-std-ize
 fnv = { version = "1.0.7", default-features = false }
-futures = "0.3.24"   # TODO: no-std-ize
+futures = { version = "0.3.24", default-features = false }
 hashbrown = { version = "0.12.3", default-features = false, features = ["serde"] }   # TODO: remove serde feature
 hex = { version = "0.4.3", default-features = false }
 hmac = { version = "0.12.1", default-features = false }