diff --git a/sig-installer b/sig-installer
index bb03203..e39608d 100755
--- a/sig-installer
+++ b/sig-installer
@@ -3,7 +3,7 @@
 set -euo pipefail
 self=$(basename ${0})
 self=${self/.*bash}
-version=2506.3
+version=2507.1
 
 # == Funções Gerais ============================================================================== #
 
@@ -21,7 +21,6 @@ function self.check_essential {
     openssh-server:sshd \
     sudo:sudo \
     unzip:unzip \
-    tzdata:tzconfig \
   "
 
   local _not_found=
@@ -42,7 +41,7 @@ function self.check_essential {
     read -p \
       $"Aperte ENTER para instalar os pacotes agora [CTRL+C para cancelar]: "
     apt-get update
-    apt-get install -yq ${_pkgs}
+    apt-get install -yq ${_pkgs} tzdata
   fi
 }
 self.check_essential
@@ -254,7 +253,7 @@ function system.install_postgres {
   local _pg_version=${1:-17}
   local _citus_version=${2}
 
-  local POSTRES_PACKAGES="
+  local POSTGRES_PACKAGES="
     libjemalloc2 \
     postgresql-${_pg_version} \
   "
@@ -276,7 +275,7 @@ function system.install_postgres {
   ${ui}.color none
 
   local _pg_shared_preload=
-  if [[ ! -z "${_citus_version}" ]]; then
+  if [[ ! -z "${_citus_version:-}" ]]; then
     ${ui}.status info $"Habilitando repositório: PostgreSQL-Citus ..."
     if [[ ! -f "/etc/apt/sources.list.d/citusdata_community.list" ]]; then
       ${ui}.color gold
@@ -290,15 +289,17 @@ function system.install_postgres {
       ${ui}.status tab "The repository is set up! You can now install packages."
       ${ui}.color none
     fi
-    POSTRES_PACKAGES+=" postgresql-${_pg_version}-citus-${_citus_version/*-}"
+    POSTGRES_PACKAGES+=" postgresql-${_pg_version}-citus-${_citus_version/*-}"
     _pg_shared_preload+="citus"
   fi
 
-  system.install_pkgs ${POSTRES_PACKAGES}
+  system.install_pkgs ${POSTGRES_PACKAGES}
 
   pg_conftool ${_pg_version} main set listen_addresses '*'
   pg_conftool ${_pg_version} main set log_timezone 'America/Sao_Paulo'
-  pg_conftool ${_pg_version} main set shared_preload_libraries ${_pg_shared_preload}
+  if [[ ! -z "${_pg_shared_preload}" ]]; then
+    pg_conftool ${_pg_version} main set shared_preload_libraries ${_pg_shared_preload}
+  fi
 
   local _pg_hba_file="/etc/postgresql/${_pg_version}/main/pg_hba.conf"
   sudo cat <<-EOF | sed 's/^\s*\(.*\)/\1/g' > ${_pg_hba_file}
@@ -858,8 +859,14 @@ system.setlocale
 system.check_net
 system.setup_ntp
 
+install_citus=0
 ${ui}.title $"Instalando e configurando serviços"
-system.install_postgres 17 citus-13.0
+if [[ ${install_citus} -eq 1 ]]; then
+  system.install_postgres 17 citus-13.0
+else
+  system.install_postgres 17
+fi
+
 system.install_pyenv /usr/local/share/pyenv 2.7.18
 
 ${ui}.title $"Configurando contas de usuários"