diff --git a/install_postfix_advanced.sh b/install_postfix_advanced.sh
index f1b61a0..e437adf 100755
--- a/install_postfix_advanced.sh
+++ b/install_postfix_advanced.sh
@@ -623,7 +623,7 @@ fi
 # - Install Postfix from debian packages system
 # -
 echononl "   Install Postfix from debian packages system"
-_needed_packages="postfix postfix-pgsql postfix-mysql postfix-pcre libsasl2-modules bsd-mailx haveged"
+_needed_packages="postfix postfix-pgsql postfix-mysql postfix-pcre libsasl2-modules libsasl2-modules-db bsd-mailx haveged"
 if [[ "$SASL_AUTH_ENABLED" = "yes" ]]; then
    _needed_packages="$_needed_packages sasl2-bin"
 fi
diff --git a/install_postfix_base.sh b/install_postfix_base.sh
index 787778c..f329c9a 100755
--- a/install_postfix_base.sh
+++ b/install_postfix_base.sh
@@ -575,7 +575,7 @@ fi
 # - Install Postfix from debian packages system
 # -
 echononl "   Install Postfix from debian packages system"
-_needed_packages="postfix postfix-pcre libsasl2-modules bsd-mailx haveged"
+_needed_packages="postfix postfix-pcre libsasl2-modules libsasl2-modules-db bsd-mailx haveged"
 for _pkg in $_needed_packages ; do
    if `dpkg -l | grep $_pkg | grep -e "^i" > /dev/null 2>&1` ; then
       continue