Apply suggestion from @tarcieri

Author: tarcieri

spake2/Cargo.toml

@@ -18,7 +18,7 @@ rust-version = "1.85"
 curve25519-dalek = { version = "5.0.0-pre.6", default-features = false, features = ["rand_core"] }
 rand_core = { version = "0.10", default-features = false }
 sha2 = { version = "0.11", default-features = false }
-hkdf = { version = "0.13.0", default-features = false }
+hkdf = { version = "0.13", default-features = false }
 
 # optional dependencies
 getrandom = { version = "0.4", optional = true, features = ["sys_rng"] }