diff --git a/www-apps/radicale/radicale-3.5.3.ebuild b/www-apps/radicale/radicale-3.5.3.ebuild
index f1b4a62b1d47f..3ec0560abdb8c 100644
--- a/www-apps/radicale/radicale-3.5.3.ebuild
+++ b/www-apps/radicale/radicale-3.5.3.ebuild
@@ -92,4 +92,5 @@ pkg_postinst() {
 	optfeature "Publish changes to rabbitmq" dev-python/pika
 	optfeature "LDAP/LDAPS authentication" dev-python/ldap3 dev-python/python-ldap
 	optfeature "bcrypt password hashing" dev-python/bcrypt
+	optfeature "argon2 password hashing" dev-python/argon2-cffi
 }
diff --git a/www-apps/radicale/radicale-3.5.4.ebuild b/www-apps/radicale/radicale-3.5.4.ebuild
index f1b4a62b1d47f..3ec0560abdb8c 100644
--- a/www-apps/radicale/radicale-3.5.4.ebuild
+++ b/www-apps/radicale/radicale-3.5.4.ebuild
@@ -92,4 +92,5 @@ pkg_postinst() {
 	optfeature "Publish changes to rabbitmq" dev-python/pika
 	optfeature "LDAP/LDAPS authentication" dev-python/ldap3 dev-python/python-ldap
 	optfeature "bcrypt password hashing" dev-python/bcrypt
+	optfeature "argon2 password hashing" dev-python/argon2-cffi
 }