diff --git a/ghe-2.13/all.json b/ghe-2.13/all.json
index 8dd7ab6c..5b8235e4 100644
--- a/ghe-2.13/all.json
+++ b/ghe-2.13/all.json
@@ -6540,9 +6540,6 @@
       "url": "/repos/:owner/:repo/releases/latest"
     },
     "getPages": {
-      "headers": {
-        "accept": "application/vnd.github.mister-fantastic-preview+json"
-      },
       "method": "GET",
       "params": {
         "owner": {
diff --git a/ghe-2.14/all.json b/ghe-2.14/all.json
index 18cc617c..189b9948 100644
--- a/ghe-2.14/all.json
+++ b/ghe-2.14/all.json
@@ -7308,9 +7308,6 @@
       "url": "/repos/:owner/:repo/releases/latest"
     },
     "getPages": {
-      "headers": {
-        "accept": "application/vnd.github.mister-fantastic-preview+json"
-      },
       "method": "GET",
       "params": {
         "owner": {
diff --git a/ghe-2.15/all.json b/ghe-2.15/all.json
index 643b2f6a..dd78b0e1 100644
--- a/ghe-2.15/all.json
+++ b/ghe-2.15/all.json
@@ -7322,9 +7322,6 @@
       "url": "/repos/:owner/:repo/releases/latest"
     },
     "getPages": {
-      "headers": {
-        "accept": "application/vnd.github.mister-fantastic-preview+json"
-      },
       "method": "GET",
       "params": {
         "owner": {
@@ -8882,9 +8879,6 @@
       "url": "/repos/:owner/:repo/hooks/:hook_id"
     },
     "updateInformationAboutPagesSite": {
-      "headers": {
-        "accept": "application/vnd.github.mister-fantastic-preview+json"
-      },
       "method": "PUT",
       "params": {
         "owner": {
diff --git a/ghe-2.16/all.json b/ghe-2.16/all.json
index 359dab58..633da83d 100644
--- a/ghe-2.16/all.json
+++ b/ghe-2.16/all.json
@@ -7358,9 +7358,6 @@
       "url": "/repos/:owner/:repo/releases/latest"
     },
     "getPages": {
-      "headers": {
-        "accept": "application/vnd.github.mister-fantastic-preview+json"
-      },
       "method": "GET",
       "params": {
         "owner": {
@@ -8918,9 +8915,6 @@
       "url": "/repos/:owner/:repo/hooks/:hook_id"
     },
     "updateInformationAboutPagesSite": {
-      "headers": {
-        "accept": "application/vnd.github.mister-fantastic-preview+json"
-      },
       "method": "PUT",
       "params": {
         "owner": {
diff --git a/package-lock.json b/package-lock.json
index 74548a6c..0cdd1f53 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -63,9 +63,9 @@
       }
     },
     "@octokit/routes": {
-      "version": "18.8.0",
-      "resolved": "https://registry.npmjs.org/@octokit/routes/-/routes-18.8.0.tgz",
-      "integrity": "sha512-qsoJd92qbZ5tOjwuZmEKqdiqsdNhG7fmfNk5RB8BXPeVWK1ys90lOEM3tkJdOhJ7FOwBsAWfZ4rlo7MgUyddng==",
+      "version": "18.9.0",
+      "resolved": "https://registry.npmjs.org/@octokit/routes/-/routes-18.9.0.tgz",
+      "integrity": "sha512-wXXjHcnw4fnSkkmLVbQDoydcZOBYOkgJoepG7GR6wCjqgOIve909tX6Jk9Vq+RJfsdyZI276SyKQKDSzpDTwiw==",
       "dev": true,
       "requires": {
         "cheerio": "^1.0.0-rc.2",
diff --git a/package.json b/package.json
index 0b57a1b4..af9db18e 100644
--- a/package.json
+++ b/package.json
@@ -35,7 +35,7 @@
   },
   "homepage": "https://github.com/octokit/plugin-enterprise-rest.js#readme",
   "devDependencies": {
-    "@octokit/routes": "18.8.0",
+    "@octokit/routes": "18.9.0",
     "coveralls": "^3.0.2",
     "lodash.camelcase": "^4.3.0",
     "make-dir": "^2.1.0",