diff --git a/bootstrap.sh b/bootstrap.sh
index a408783..97ffc29 100644
--- a/bootstrap.sh
+++ b/bootstrap.sh
@@ -32,6 +32,11 @@ systemctl restart sshd
 echo "[+] Setting timezone to Europe/Berlin..."
 timedatectl set-timezone Europe/Berlin
 
+echo "[+] Waiting for dpkg lock to be released..."
+while fuser /var/lib/dpkg/lock-frontend >/dev/null 2>&1; do
+    sleep 3
+done
+
 echo "[+] Updating package list and installing essential packages..."
 apt-get update -y
 apt-get install -y sudo curl wget gnupg lsb-release software-properties-common