From 458059fd06f626551b713413f416a41a23608ab9 Mon Sep 17 00:00:00 2001
From: David Taylor <david@taylorhq.com>
Date: Tue, 15 Oct 2019 23:39:39 +0100
Subject: [PATCH] Update to heroku-18 stack

---
 app.json | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/app.json b/app.json
index 737e5eb0..f3fccb28 100644
--- a/app.json
+++ b/app.json
@@ -49,5 +49,6 @@
     {
       "url": "heroku/python"
     }
-  ]
+  ],
+  "stack": "heroku-18"
 }
\ No newline at end of file