upgrade stack to heroku-20 (#1279)

salesforce · Mar 23, 2021 · 0b54498 · 0b54498
1 parent 9a23cd1
commit 0b54498
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/app.json b/app.json
@@ -16,5 +16,6 @@
       "description": "A secret key for signing the session ID cookie.",
       "generator": "secret"
     }
-  }
+  },
+  "stack": "heroku-20"
 }