diff --git a/packer/templates/aws/ubuntu_1404_ctf_2017.json b/packer/templates/aws/ubuntu_1404_ctf_2017.json
index fce1bdf..bde284a 100644
--- a/packer/templates/aws/ubuntu_1404_ctf_2017.json
+++ b/packer/templates/aws/ubuntu_1404_ctf_2017.json
@@ -38,12 +38,19 @@
         "metasploitable::flags",
         "metasploitable::sshd"
       ]
+    },
+    {
+      "type": "shell",
+      "execute_command": "echo '{{user `ssh_pass`}}' | {{ .Vars }} sudo -E -S sh '{{ .Path }}'",
+      "inline": [
+        "apt-get remove chef"
+      ]
     }
   ],
   "variables": {
     "iso_url": "http://old-releases.ubuntu.com/releases/14.04.1/ubuntu-14.04.1-server-amd64.iso",
     "iso_checksum_type": "md5",
     "iso_checksum": "ca2531b8cd79ea5b778ede3a524779b9",
-    "box_version": "0.1.6"
+    "box_version": "0.1.7"
   }
 }