diff --git a/Cargo.toml b/Cargo.toml
index f486446..ff9b836 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -21,8 +21,8 @@ rustdoc-args = ["--cfg", "docsrs"]
 default = ["std"]
 std = ["alloc", "secp256k1-sys/std"]
 # allow use of Secp256k1::new and related API that requires an allocator
- alloc = ["secp256k1-sys/alloc"]
- bitcoin-hashes-std = ["bitcoin_hashes/std"]
+alloc = ["secp256k1-sys/alloc"]
+bitcoin-hashes-std = ["bitcoin_hashes/std"]
 rand-std = ["rand/std", "rand/std_rng"]
 recovery = ["secp256k1-sys/recovery"]
 lowmemory = ["secp256k1-sys/lowmemory"]