diff --git a/src/freedombone b/src/freedombone
index 32dec102..09a2e4bc 100755
--- a/src/freedombone
+++ b/src/freedombone
@@ -7475,6 +7475,8 @@ function install_irc_server {
     if [[ $SYSTEM_TYPE == "$VARIANT_MESH" ]]; then
         sed -i "s/;DNS =.*/DNS = no/g" /etc/ngircd/ngircd.conf
     fi
+    # upgrade a cypher
+    sed -i 's|SECURE128|SECURE256|g' /etc/ngircd/ngircd.conf
     mkdir /var/run/ircd
     chown -R irc:irc /var/run/ircd
     mkdir /var/run/ngircd