diff --git a/Cargo.toml b/Cargo.toml
index 776b7ed..5b04835 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -51,7 +51,7 @@ harness = false
 [features]
 default = ["std", "u64_backend"]
 # We don't add "rand/std" here because it would enable a bunch of Fuchsia dependencies.
-std = ["curve25519-dalek/std"]
+std = ["curve25519-dalek/std", "rand/std"]
 alloc = ["curve25519-dalek/alloc"]
 nightly = ["curve25519-dalek/nightly", "rand/nightly", "clear_on_drop/nightly"]
 asm = ["sha2/asm"]