diff --git a/lib/robot.js b/lib/robot.js
index c726396..5159498 100644
--- a/lib/robot.js
+++ b/lib/robot.js
@@ -139,8 +139,7 @@ class Robot {
   async auth (id, log = this.log) {
     const github = new GitHubApi({
       debug: process.env.LOG_LEVEL === 'trace',
-      host: process.env.GHE_HOST || 'api.github.com',
-      pathPrefix: process.env.GHE_HOST ? '/api/v3' : '',
+      baseUrl: process.env.GHE_HOST && `https://${process.env.GHE_HOST}/api/v3`,
       logger: log.child({name: 'github', installation: id})
     })
 
diff --git a/package.json b/package.json
index 18daab1..3b17285 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,7 @@
   "author": "Brandon Keepers",
   "license": "ISC",
   "dependencies": {
-    "@octokit/rest": "15.1.9",
+    "@octokit/rest": "15.2.0",
     "bottleneck": "^2.2.0",
     "bunyan": "^1.8.12",
     "bunyan-format": "^0.2.1",