diff --git a/app.json b/app.json
index 0955be998..d56e09bc2 100644
--- a/app.json
+++ b/app.json
@@ -18,19 +18,17 @@
   "addons": ["heroku-postgresql:hobby-dev", "rediscloud"],
   "env": {
     "GITHUB_TOKEN": {
-      "description": "A personal OAuth token from GitHub with repo scope.",
-      "required": true
+      "description": "A personal OAuth token from GitHub with repo scope."
     },
     "GITHUB_CLIENT_ID": {
-      "description": "A client id from a GitHub OAuth app you created.",
-      "required": true
+      "description": "A client id from a GitHub OAuth app you created."
     },
     "GITHUB_CLIENT_SECRET": {
-      "description": "A client secret from a GitHub OAuth app you created.",
-      "required": true
+      "description": "A client secret from a GitHub OAuth app you created."
     },
     "GITHUB_TEAM_ID": {
-      "description": "A GitHub team id number to restrict resque access to."
+      "description": "A GitHub team id number to restrict resque access to.",
+      "required": false
     },
     "DEPLOYMENT_TIMEOUT": {
       "description": "The maximum amount of time a deployment can take in seconds.",