diff --git a/comanage-appliance.json b/comanage-appliance.json
index 22a49b7..67f9e48 100644
--- a/comanage-appliance.json
+++ b/comanage-appliance.json
@@ -10,7 +10,8 @@
       "ssh_password": "centos",
       "region": "us-west-1",
       "timestamper": "{{timestamp}}",
-      "outputfile_name": "comanage-appliance-centos7"
+      "outputfile_name": "comanage-appliance-centos7",
+      "build_number": "{{env `BUILD_NUMBER`}}"
   },
   "provisioners": [
     {