diff --git a/lib/main.js b/lib/main.js
index 977fcf8..3db4fd4 100644
--- a/lib/main.js
+++ b/lib/main.js
@@ -1,16 +1,12 @@
 // @ts-check
 
-import core from "@actions/core";
-import { createAppAuth } from "@octokit/auth-app";
-import { request } from "@octokit/request";
-
 /**
  * @param {string} appId
  * @param {string} privateKey
  * @param {string} repository
- * @param {core} core
- * @param {createAppAuth} createAppAuth
- * @param {request} request
+ * @param {import("@actions/core")} core
+ * @param {import("@octokit/auth-app").createAppAuth} createAppAuth
+ * @param {import("@octokit/request").request} request
  */
 export async function main(
   appId,
@@ -26,6 +22,7 @@ export async function main(
   const auth = createAppAuth({
     appId,
     privateKey,
+    request,
   });
 
   const appAuthentication = await auth({
diff --git a/lib/post.js b/lib/post.js
index bfbae77..f02d0e5 100644
--- a/lib/post.js
+++ b/lib/post.js
@@ -1,11 +1,8 @@
 // @ts-check
 
-import core from "@actions/core";
-import { request } from "@octokit/request";
-
 /**
- * @param {core} core
- * @param {request} request
+ * @param {import("@actions/core")} core
+ * @param {import("@octokit/request").request} request
  */
 export async function post(core, request) {
   const token = core.getState("token");
diff --git a/lib/request.js b/lib/request.js
new file mode 100644
index 0000000..729cc19
--- /dev/null
+++ b/lib/request.js
@@ -0,0 +1,8 @@
+import { request } from "@octokit/request";
+
+export default request.defaults({
+  baseUrl: process.env["GITHUB_API_URL"],
+  headers: {
+    "user-agent": "actions/create-github-app-token",
+  },
+});
diff --git a/main.js b/main.js
index eb480d4..9b269a1 100644
--- a/main.js
+++ b/main.js
@@ -2,9 +2,9 @@
 
 import core from "@actions/core";
 import { createAppAuth } from "@octokit/auth-app";
-import { request } from "@octokit/request";
 
 import { main } from "./lib/main.js";
+import request from "./lib/request.js";
 
 if (!process.env.GITHUB_REPOSITORY) {
   throw new Error("GITHUB_REPOSITORY missing, must be set to '<owner>/<repo>'");
diff --git a/post.js b/post.js
index 145bc7e..66e37eb 100644
--- a/post.js
+++ b/post.js
@@ -1,9 +1,9 @@
 // @ts-check
 
 import core from "@actions/core";
-import { request } from "@octokit/request";
 
 import { post } from "./lib/post.js";
+import request from "./lib/request.js";
 
 post(
   core,