diff --git a/.devcontainer/local-features/cron-runner-environment/install.sh b/.devcontainer/local-features/cron-runner-environment/install.sh
index 4e81fd0..9b6686d 100755
--- a/.devcontainer/local-features/cron-runner-environment/install.sh
+++ b/.devcontainer/local-features/cron-runner-environment/install.sh
@@ -1,5 +1,9 @@
 #!/bin/sh
 
+apt-get update
+apt-get install -y telnet netcat-openbsd
+rm -rf /var/lib/apt/lists/*
+
 install -D -m 0644 -o root -g root fpm-cron-runner.php /var/wpvip/fpm-cron-runner.php
 install -m 0755 -o root -g root cron-runner-postinstall.sh /var/lib/wordpress/postinstall.d/cron-runner-postinstall
 rm -rf /var/www/*