diff --git a/ct/alpine-komodo.sh b/ct/alpine-komodo.sh
index 19d100a5e..50912fe06 100644
--- a/ct/alpine-komodo.sh
+++ b/ct/alpine-komodo.sh
@@ -32,6 +32,15 @@ function update_script() {
     exit 1
   fi
   COMPOSE_BASENAME=$(basename "$COMPOSE_FILE")
+
+  if [[ "$COMPOSE_BASENAME" == "sqlite.compose.yaml" || "$COMPOSE_BASENAME" == "postgres.compose.yaml" ]]; then
+    msg_error "❌ Detected outdated Komodo setup using SQLite or PostgreSQL (FerretDB v1)."
+    echo -e "${YW}This configuration is no longer supported since Komodo v1.18.0.${CL}"
+    echo -e "${YW}Please follow the migration guide:${CL}"
+    echo -e "${BGN}https://github.com/community-scripts/ProxmoxVE/discussions/5689${CL}\n"
+    exit 1
+  fi
+
   BACKUP_FILE="/opt/komodo/${COMPOSE_BASENAME}.bak_$(date +%Y%m%d_%H%M%S)"
   cp "$COMPOSE_FILE" "$BACKUP_FILE" || {
     msg_error "Failed to create backup of ${COMPOSE_BASENAME}!"
diff --git a/ct/komodo.sh b/ct/komodo.sh
index 6196e5b7d..5149c7fd3 100644
--- a/ct/komodo.sh
+++ b/ct/komodo.sh
@@ -36,6 +36,15 @@ function update_script() {
     exit 1
   fi
   COMPOSE_BASENAME=$(basename "$COMPOSE_FILE")
+
+  if [[ "$COMPOSE_BASENAME" == "sqlite.compose.yaml" || "$COMPOSE_BASENAME" == "postgres.compose.yaml" ]]; then
+    msg_error "❌ Detected outdated Komodo setup using SQLite or PostgreSQL (FerretDB v1)."
+    echo -e "${YW}This configuration is no longer supported since Komodo v1.18.0.${CL}"
+    echo -e "${YW}Please follow the migration guide:${CL}"
+    echo -e "${BGN}https://github.com/community-scripts/ProxmoxVE/discussions/5689${CL}\n"
+    exit 1
+  fi
+
   BACKUP_FILE="/opt/komodo/${COMPOSE_BASENAME}.bak_$(date +%Y%m%d_%H%M%S)"
   cp "$COMPOSE_FILE" "$BACKUP_FILE" || {
     msg_error "Failed to create backup of ${COMPOSE_BASENAME}!"
diff --git a/install/alpine-komodo-install.sh b/install/alpine-komodo-install.sh
index e87bf6876..fcf8f838f 100644
--- a/install/alpine-komodo-install.sh
+++ b/install/alpine-komodo-install.sh
@@ -28,8 +28,7 @@ msg_ok "Enabled Docker Service"
 
 echo "${TAB3}Choose the database for Komodo installation:"
 echo "${TAB3}1) MongoDB (recommended)"
-echo "${TAB3}2) SQLite"
-echo "${TAB3}3) PostgreSQL"
+echo "${TAB3}2) FerretDB"
 read -rp "${TAB3}Enter your choice (default: 1): " DB_CHOICE
 DB_CHOICE=${DB_CHOICE:-1}
 
@@ -38,10 +37,7 @@ case $DB_CHOICE in
   DB_COMPOSE_FILE="mongo.compose.yaml"
   ;;
 2)
-  DB_COMPOSE_FILE="sqlite.compose.yaml"
-  ;;
-3)
-  DB_COMPOSE_FILE="postgres.compose.yaml"
+  DB_COMPOSE_FILE="ferretdb.compose.yaml"
   ;;
 *)
   echo "Invalid choice. Defaulting to MongoDB."
diff --git a/install/komodo-install.sh b/install/komodo-install.sh
index 99771b97f..7717b281f 100644
--- a/install/komodo-install.sh
+++ b/install/komodo-install.sh
@@ -39,8 +39,7 @@ msg_ok "Installed Docker"
 
 echo "${TAB3}Choose the database for Komodo installation:"
 echo "${TAB3}1) MongoDB (recommended)"
-echo "${TAB3}2) SQLite"
-echo "${TAB3}3) PostgreSQL"
+echo "${TAB3}2) FerretDB"
 read -rp "${TAB3}Enter your choice (default: 1): " DB_CHOICE
 DB_CHOICE=${DB_CHOICE:-1}
 
@@ -49,10 +48,7 @@ case $DB_CHOICE in
   DB_COMPOSE_FILE="mongo.compose.yaml"
   ;;
 2)
-  DB_COMPOSE_FILE="sqlite.compose.yaml"
-  ;;
-3)
-  DB_COMPOSE_FILE="postgres.compose.yaml"
+  DB_COMPOSE_FILE="ferretdb.compose.yaml"
   ;;
 *)
   echo "Invalid choice. Defaulting to MongoDB."