diff --git a/ascon-aead/Cargo.toml b/ascon-aead/Cargo.toml
index 1cd3016a..8aceceb6 100644
--- a/ascon-aead/Cargo.toml
+++ b/ascon-aead/Cargo.toml
@@ -36,6 +36,7 @@ heapless = ["aead/heapless"]
 rand_core = ["aead/rand_core"]
 stream = ["aead/stream"]
 zeroize = ["zeroize_crate", "ascon/zeroize"]
+no_unroll = ["ascon/no_unroll"]
 
 [package.metadata.docs.rs]
 all-features = true