diff --git a/dist/main.cjs b/dist/main.cjs
index ebaec51..d28fa90 100644
--- a/dist/main.cjs
+++ b/dist/main.cjs
@@ -15081,12 +15081,19 @@ if (!process.env.GITHUB_REPOSITORY) {
 var appId = import_core2.default.getInput("app_id");
 var privateKey = import_core2.default.getInput("private_key");
 var repository = process.env.GITHUB_REPOSITORY;
-main(appId, privateKey, repository, import_core2.default, import_auth_app.createAppAuth, import_request.request).catch(
-  (error) => {
-    console.error(error);
-    import_core2.default.setFailed(error.message);
-  }
-);
+main(
+  appId,
+  privateKey,
+  repository,
+  import_core2.default,
+  import_auth_app.createAppAuth,
+  import_request.request.defaults({
+    baseUrl: process.env["GITHUB_API_URL"]
+  })
+).catch((error) => {
+  console.error(error);
+  import_core2.default.setFailed(error.message);
+});
 /*! Bundled license information:
 
 is-plain-object/dist/is-plain-object.js:
diff --git a/dist/post.cjs b/dist/post.cjs
index aaec5d7..8f558c7 100644
--- a/dist/post.cjs
+++ b/dist/post.cjs
@@ -2969,12 +2969,15 @@ async function post(core3, request2) {
 }
 
 // post.js
-post(import_core2.default, import_request.request).catch(
-  (error) => {
-    console.error(error);
-    import_core2.default.setFailed(error.message);
-  }
-);
+post(
+  import_core2.default,
+  import_request.request.defaults({
+    baseUrl: process.env["GITHUB_API_URL"]
+  })
+).catch((error) => {
+  console.error(error);
+  import_core2.default.setFailed(error.message);
+});
 /*! Bundled license information:
 
 is-plain-object/dist/is-plain-object.js:
diff --git a/lib/post.js b/lib/post.js
index a0efe15..bfbae77 100644
--- a/lib/post.js
+++ b/lib/post.js
@@ -11,7 +11,7 @@ export async function post(core, request) {
   const token = core.getState("token");
 
   if (!token) return;
-  
+
   await request("DELETE /installation/token", {
     headers: {
       authorization: `token ${token}`,
diff --git a/main.js b/main.js
index 02ffcc2..eb480d4 100644
--- a/main.js
+++ b/main.js
@@ -15,9 +15,16 @@ const privateKey = core.getInput("private_key");
 
 const repository = process.env.GITHUB_REPOSITORY;
 
-main(appId, privateKey, repository, core, createAppAuth, request).catch(
-  (error) => {
-    console.error(error);
-    core.setFailed(error.message);
-  }
-);
+main(
+  appId,
+  privateKey,
+  repository,
+  core,
+  createAppAuth,
+  request.defaults({
+    baseUrl: process.env["GITHUB_API_URL"],
+  })
+).catch((error) => {
+  console.error(error);
+  core.setFailed(error.message);
+});
diff --git a/package.json b/package.json
index 6746225..26f3bde 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
   "name": "create-github-app-token",
   "private": true,
   "type": "module",
-  "version": "1.1.5",
+  "version": "1.2.0",
   "description": "GitHub Action for creating a GitHub App Installation Access Token",
   "scripts": {
     "build": "esbuild main.js post.js --bundle --outdir=dist --out-extension:.js=.cjs --platform=node --target=node16.16",
diff --git a/post.js b/post.js
index 0e34a59..145bc7e 100644
--- a/post.js
+++ b/post.js
@@ -5,9 +5,12 @@ import { request } from "@octokit/request";
 
 import { post } from "./lib/post.js";
 
-post(core, request).catch(
-  (error) => {
-    console.error(error);
-    core.setFailed(error.message);
-  }
-);
+post(
+  core,
+  request.defaults({
+    baseUrl: process.env["GITHUB_API_URL"],
+  })
+).catch((error) => {
+  console.error(error);
+  core.setFailed(error.message);
+});