diff --git a/deploy/data/linux/post_install.sh b/deploy/data/linux/post_install.sh
index 6ed7bc3e..d6e0766b 100755
--- a/deploy/data/linux/post_install.sh
+++ b/deploy/data/linux/post_install.sh
@@ -26,6 +26,7 @@ if sudo systemctl is-active --quiet $APP_NAME; then
 fi
 
 sudo chmod +x $APP_PATH/client/bin/easyrsa >> $LOG_FILE
+sudo chmod 555 $APP_PATH/client/bin/update-resolv-conf.sh
 
 sudo cp $APP_PATH/service/$APP_NAME.service /etc/systemd/system/ >> $LOG_FILE