diff --git a/frontend/public/json/postgresql.json b/frontend/public/json/postgresql.json
index 0c8faf740..bebb6718e 100644
--- a/frontend/public/json/postgresql.json
+++ b/frontend/public/json/postgresql.json
@@ -46,6 +46,10 @@
     {
       "text": "Set a password after installation for postgres user by running `echo \"ALTER USER postgres with encrypted password 'your_password';\" | sudo -u postgres psql`",
       "type": "info"
+    },
+    {
+      "text": "Debian script offers versions `15, 16, 17, 18`, while Alpine script offers versions `15, 16, 17`.",
+      "type": "info"
     }
   ]
 }
diff --git a/install/alpine-postgresql-install.sh b/install/alpine-postgresql-install.sh
index 43532f9f9..fa635e384 100644
--- a/install/alpine-postgresql-install.sh
+++ b/install/alpine-postgresql-install.sh
@@ -13,9 +13,12 @@ setting_up_container
 network_check
 update_os
 
-msg_info "Installing PostgreSQL"
-$STD apk add --no-cache postgresql16 postgresql16-contrib postgresql16-openrc sudo
-msg_ok "Installed PostgreSQL"
+read -r -p "${TAB3}Enter PostgreSQL version (15/16/17): " ver
+[[ $ver =~ ^(15|16|17)$ ]] || { echo "Invalid version"; exit 1; }
+
+msg_info "Installing PostgreSQL ${ver}"
+$STD apk add --no-cache postgresql${ver} postgresql${ver}-contrib postgresql${ver}-openrc sudo
+msg_ok "Installed PostgreSQL ${ver}"
 
 msg_info "Enabling PostgreSQL Service"
 $STD rc-update add postgresql default
@@ -26,8 +29,8 @@ $STD rc-service postgresql start
 msg_ok "Started PostgreSQL"
 
 msg_info "Configuring PostgreSQL for External Access"
-conf_file="/etc/postgresql16/postgresql.conf"
-hba_file="/etc/postgresql16/pg_hba.conf"
+conf_file="/etc/postgresql${ver}/postgresql.conf"
+hba_file="/etc/postgresql${ver}/pg_hba.conf"
 sed -i 's/^#listen_addresses =.*/listen_addresses = '\''*'\''/' "$conf_file"
 sed -i '/^host\s\+all\s\+all\s\+127.0.0.1\/32\s\+md5/ s/.*/host all all 0.0.0.0\/0 md5/' "$hba_file"
 $STD rc-service postgresql restart
diff --git a/install/postgresql-install.sh b/install/postgresql-install.sh
index 332bf7557..e6a26b844 100644
--- a/install/postgresql-install.sh
+++ b/install/postgresql-install.sh
@@ -13,9 +13,11 @@ setting_up_container
 network_check
 update_os
 
-PG_VERSION="17" setup_postgresql
+read -r -p "${TAB3}Enter PostgreSQL version (15/16/17/18): " ver
+[[ $ver =~ ^(15|16|17|18)$ ]] || { echo "Invalid version"; exit 1; }
+PG_VERSION=$ver setup_postgresql
 
-cat <<EOF >/etc/postgresql/17/main/pg_hba.conf
+cat <<EOF >/etc/postgresql/$ver/main/pg_hba.conf
 # PostgreSQL Client Authentication Configuration File
 local   all             postgres                                peer
 # TYPE  DATABASE        USER            ADDRESS                 METHOD
@@ -34,7 +36,7 @@ host    replication     all             127.0.0.1/32            scram-sha-256
 host    replication     all             ::1/128                 scram-sha-256
 EOF
 
-cat <<EOF >/etc/postgresql/17/main/postgresql.conf
+cat <<EOF >/etc/postgresql/$ver/main/postgresql.conf
 # -----------------------------
 # PostgreSQL configuration file
 # -----------------------------
@@ -43,10 +45,10 @@ cat <<EOF >/etc/postgresql/17/main/postgresql.conf
 # FILE LOCATIONS
 #------------------------------------------------------------------------------
 
-data_directory = '/var/lib/postgresql/17/main'       
-hba_file = '/etc/postgresql/17/main/pg_hba.conf'     
-ident_file = '/etc/postgresql/17/main/pg_ident.conf'   
-external_pid_file = '/var/run/postgresql/17-main.pid'                   
+data_directory = '/var/lib/postgresql/$ver/main'       
+hba_file = '/etc/postgresql/$ver/main/pg_hba.conf'     
+ident_file = '/etc/postgresql/$ver/main/pg_ident.conf'   
+external_pid_file = '/var/run/postgresql/$ver-main.pid'                   
 
 #------------------------------------------------------------------------------
 # CONNECTIONS AND AUTHENTICATION
@@ -92,7 +94,7 @@ log_timezone = 'Etc/UTC'
 # PROCESS TITLE
 #------------------------------------------------------------------------------
 
-cluster_name = '17/main'                
+cluster_name = '$ver/main'                
 
 #------------------------------------------------------------------------------
 # CLIENT CONNECTION DEFAULTS