diff --git a/scripts/_common.sh b/scripts/_common.sh
index 23bbed1..ea7437d 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -5,7 +5,13 @@
 #=================================================
 
 # dependencies used by the app
-pkg_dependencies="libapr1 libaprutil1 libaprutil1-dbd-sqlite3 libaprutil1-ldap liblua5.2-0 ttf-dejavu-core patch smistrip unzip wget fping libcap2-bin libiksemel3 libopenipmi0 libpam-cap libsnmp-base libsnmp30 snmptrapd snmpd libjs-prototype jq zabbix-server-mysql zabbix-agent zabbix-frontend-php"
+if [ "$(lsb_release --codename --short)" = "bullseye" ]; then
+    libsnmpd_version="libsnmp40"
+else
+    libsnmpd_version="libsnmp30"
+fi
+
+pkg_dependencies="libapr1 libaprutil1 libaprutil1-dbd-sqlite3 libaprutil1-ldap liblua5.2-0 fonts-dejavu-core patch smistrip unzip wget fping libcap2-bin libiksemel3 libopenipmi0 libpam-cap libsnmp-base $libsnmpd_version snmptrapd snmpd libjs-prototype jq zabbix-server-mysql zabbix-agent zabbix-frontend-php "
 
 YNH_PHP_VERSION="7.3"