diff --git a/README.md b/README.md
index 5339ef5..7bb731e 100644
--- a/README.md
+++ b/README.md
@@ -19,9 +19,9 @@ Trust stores generated by these scripts can be found at https://tildegit.org/ner
 
 Required: [OpenSSL](https://www.openssl.org/), [idn](https://www.gnu.org/software/libidn/)
 
-Optional: [torsocks](https://packages.debian.org/buster/torsocks) (for .onion capsules and for double-checking certificates using a different network perspective)
+Optional: [torsocks](https://packages.debian.org/buster/torsocks) (for .onion capsules and for double-checking certificates using a different network perspective) and [Agunua](https://framagit.org/bortzmeyer/agunua) (for downloading host lists more securely).
 
-To install them in Debian, run: `sudo apt install openssl idn torsocks`
+To install them in Debian, run: `sudo apt install openssl idn torsocks` and `pip3 install agunua`.
 
 ## Usage