diff --git a/README.md b/README.md
index 8b8e6e34..8bd65172 100644
--- a/README.md
+++ b/README.md
@@ -85,7 +85,9 @@ The above commands will start an interactive prompt. You can use the `arrow keys
 | --------------- | ----------------------------------------- | ------------------------ |
 | --accessToken   | Github access token                       | string                   |
 | --all           | Show all commits                          | boolean (default: false) |
+| --apiHostname   | Hostname for the Github API               | string                   |
 | --branch        | Branch to backport to                     | string                   |
+| --gitHostname   | Hostname for Github                       | string                   |
 | --labels        | Pull request labels                       | string                   |
 | --multiple      | Backport multiple commits and/or branches | boolean                  |
 | --prDescription | Description to be added to pull request   | string                   |
diff --git a/docs/configuration.md b/docs/configuration.md
index 7fed0187..d586c1ce 100644
--- a/docs/configuration.md
+++ b/docs/configuration.md
@@ -118,3 +118,23 @@ CLI: `--prTitle "My PR Title"`
 Text that will be added to the pull request body.
 
 CLI: `--prDescription "skip-ci"`
+
+#### `gitHostname`
+
+Hostname for Github.
+
+Example: `github.my-private-company.com`
+
+Default: `github.com`
+
+CLI: `--gitHostname "github.my-private-company.com"`
+
+#### `apiHostname`
+
+Hostname for the Github API.
+
+Example: `api.github.my-private-company.com`
+
+Default: `api.github.com`
+
+CLI: `--apiHostname "api.github.my-private-company.com"`
diff --git a/src/options/cliArgs.ts b/src/options/cliArgs.ts
index f9afafec..8dadb5e9 100644
--- a/src/options/cliArgs.ts
+++ b/src/options/cliArgs.ts
@@ -19,6 +19,11 @@ export function getOptionsFromCliArgs(
       description: 'List all commits',
       type: 'boolean'
     })
+    .option('apiHostname', {
+      default: configOptions.apiHostname,
+      description: 'Hostname for the Github API',
+      type: 'string'
+    })
     .option('branches', {
       default: [] as string[],
       description: 'Branch(es) to backport to',
@@ -26,6 +31,11 @@ export function getOptionsFromCliArgs(
       alias: 'branch',
       string: true // ensure `6.0` is not coerced to `6`
     })
+    .option('gitHostname', {
+      default: configOptions.gitHostname,
+      description: 'Hostname for Github',
+      type: 'string'
+    })
     .option('labels', {
       default: configOptions.labels,
       description: 'Pull request labels',
@@ -78,8 +88,10 @@ export function getOptionsFromCliArgs(
   return {
     accessToken: cliArgs.accessToken,
     all: cliArgs.all,
+    apiHostname: cliArgs.apiHostname,
     branchChoices: configOptions.branchChoices,
     branches: cliArgs.branches,
+    gitHostname: cliArgs.gitHostname,
     labels: cliArgs.labels,
     multiple: cliArgs.multiple,
     multipleBranches: cliArgs.multipleBranches || cliArgs.multiple,
diff --git a/src/options/config/config.ts b/src/options/config/config.ts
index 6580ee1a..895c7b18 100644
--- a/src/options/config/config.ts
+++ b/src/options/config/config.ts
@@ -19,6 +19,8 @@ export async function getOptionsFromConfigFiles() {
     all: false,
     labels: [] as string[],
     prTitle: '[{baseBranch}] {commitMessages}',
+    gitHostname: 'github.com',
+    apiHostname: 'api.github.com',
 
     // options from config files
     ...globalConfig,
diff --git a/src/options/config/globalConfig.ts b/src/options/config/globalConfig.ts
index b2d42e01..81cf2e21 100644
--- a/src/options/config/globalConfig.ts
+++ b/src/options/config/globalConfig.ts
@@ -10,6 +10,8 @@ interface GlobalConfig {
 
   // the following are overwritable by project config:
   all?: boolean;
+  apiHostname?: string;
+  gitHostname?: string;
   multiple?: boolean;
   multipleCommits?: boolean;
   multipleBranches?: boolean;
diff --git a/src/options/options.ts b/src/options/options.ts
index 328fd92c..dff9126b 100644
--- a/src/options/options.ts
+++ b/src/options/options.ts
@@ -40,8 +40,10 @@ function getErrorMessage({
 export function validateOptions({
   accessToken,
   all,
+  apiHostname,
   branchChoices,
   branches,
+  gitHostname,
   labels,
   multiple,
   multipleBranches,
@@ -79,9 +81,11 @@ export function validateOptions({
   return {
     accessToken,
     all,
+    apiHostname,
     branchChoices,
     branches,
     labels,
+    gitHostname,
     multiple,
     multipleBranches,
     multipleCommits,
diff --git a/src/services/git.ts b/src/services/git.ts
index 7782980c..869107be 100644
--- a/src/services/git.ts
+++ b/src/services/git.ts
@@ -42,29 +42,38 @@ export function deleteRepo({
 function getRemoteUrl({
   owner,
   repoName,
-  accessToken
+  accessToken,
+  gitHostname
 }: {
   owner: string;
   repoName: string;
   accessToken: string;
+  gitHostname: string;
 }) {
-  return `https://${accessToken}@github.com/${owner}/${repoName}.git`;
+  return `https://${accessToken}@${gitHostname}/${owner}/${repoName}.git`;
 }
 
 export function cloneRepo({
   owner,
   repoName,
   accessToken,
-  callback
+  callback,
+  gitHostname
 }: {
   owner: string;
   repoName: string;
   accessToken: string;
   callback: (progress: string) => void;
+  gitHostname: string;
 }) {
   return new Promise((resolve, reject) => {
     const execProcess = childProcess.exec(
-      `git clone ${getRemoteUrl({ accessToken, owner, repoName })} --progress`,
+      `git clone ${getRemoteUrl({
+        accessToken,
+        owner,
+        repoName,
+        gitHostname
+      })} --progress`,
       { cwd: getRepoOwnerPath(owner), maxBuffer: 100 * 1024 * 1024 },
       error => {
         if (error) {
@@ -110,19 +119,22 @@ export async function addRemote({
   owner,
   repoName,
   username,
-  accessToken
+  accessToken,
+  gitHostname
 }: {
   owner: string;
   repoName: string;
   username: string;
   accessToken: string;
+  gitHostname: string;
 }) {
   try {
     await exec(
       `git remote add ${username} ${getRemoteUrl({
         accessToken,
         owner: username,
-        repoName
+        repoName,
+        gitHostname
       })}`,
       {
         cwd: getRepoPath(owner, repoName)
diff --git a/src/services/github.ts b/src/services/github.ts
index e01d0252..a4273237 100644
--- a/src/services/github.ts
+++ b/src/services/github.ts
@@ -30,7 +30,8 @@ function getCommitMessage(message: string) {
 export async function fetchCommitsByAuthor(
   owner: string,
   repoName: string,
-  author: string | null
+  author: string | null,
+  apiHostname: string
 ): Promise<Commit[]> {
   const query: GithubQuery = {
     access_token: accessToken,
@@ -44,7 +45,7 @@ export async function fetchCommitsByAuthor(
 
   try {
     const res: AxiosResponse<GithubCommit[]> = await axios(
-      `https://api.github.com/repos/${owner}/${repoName}/commits?${querystring.stringify(
+      `https://${apiHostname}/repos/${owner}/${repoName}/commits?${querystring.stringify(
         query
       )}`
     );
@@ -54,7 +55,12 @@ export async function fetchCommitsByAuthor(
       return {
         message: getCommitMessage(commit.commit.message),
         sha,
-        pullNumber: await fetchPullRequestNumberBySha(owner, repoName, sha)
+        pullNumber: await fetchPullRequestNumberBySha(
+          owner,
+          repoName,
+          sha,
+          apiHostname
+        )
       };
     });
 
@@ -67,11 +73,12 @@ export async function fetchCommitsByAuthor(
 export async function fetchCommitBySha(
   owner: string,
   repoName: string,
-  sha: string
+  sha: string,
+  apiHostname: string
 ): Promise<Commit> {
   try {
     const res: AxiosResponse<GithubSearch<GithubCommit>> = await axios(
-      `https://api.github.com/search/commits?q=hash:${sha}%20repo:${owner}/${repoName}&per_page=1&access_token=${accessToken}`,
+      `https://${apiHostname}/search/commits?q=hash:${sha}%20repo:${owner}/${repoName}&per_page=1&access_token=${accessToken}`,
       {
         headers: {
           Accept: 'application/vnd.github.cloak-preview'
@@ -88,7 +95,8 @@ export async function fetchCommitBySha(
     const pullNumber = await fetchPullRequestNumberBySha(
       owner,
       repoName,
-      fullSha
+      fullSha,
+      apiHostname
     );
 
     return {
@@ -104,11 +112,12 @@ export async function fetchCommitBySha(
 async function fetchPullRequestNumberBySha(
   owner: string,
   repoName: string,
-  commitSha: string
+  commitSha: string,
+  apiHostname: string
 ): Promise<number> {
   try {
     const res: AxiosResponse<GithubSearch<GithubIssue>> = await axios(
-      `https://api.github.com/search/issues?q=repo:${owner}/${repoName}+${commitSha}+base:master&access_token=${accessToken}`
+      `https://${apiHostname}/search/issues?q=repo:${owner}/${repoName}+${commitSha}+base:master&access_token=${accessToken}`
     );
     return get(res.data.items[0], 'number');
   } catch (e) {
@@ -119,11 +128,12 @@ async function fetchPullRequestNumberBySha(
 export async function createPullRequest(
   owner: string,
   repoName: string,
-  payload: ReturnType<typeof getPullRequestPayload>
+  payload: ReturnType<typeof getPullRequestPayload>,
+  apiHostname: string
 ) {
   try {
     const res: AxiosResponse<GithubIssue> = await axios.post(
-      `https://api.github.com/repos/${owner}/${repoName}/pulls?access_token=${accessToken}`,
+      `https://${apiHostname}/repos/${owner}/${repoName}/pulls?access_token=${accessToken}`,
       payload
     );
     return {
@@ -139,11 +149,12 @@ export async function addLabelsToPullRequest(
   owner: string,
   repoName: string,
   pullNumber: number,
-  labels: string[]
+  labels: string[],
+  apiHostname: string
 ) {
   try {
     return await axios.post(
-      `https://api.github.com/repos/${owner}/${repoName}/issues/${pullNumber}/labels?access_token=${accessToken}`,
+      `https://${apiHostname}/repos/${owner}/${repoName}/issues/${pullNumber}/labels?access_token=${accessToken}`,
       labels
     );
   } catch (e) {
@@ -154,11 +165,12 @@ export async function addLabelsToPullRequest(
 export async function verifyAccessToken(
   owner: string,
   repoName: string,
-  accessToken: string
+  accessToken: string,
+  apiHostname: string
 ) {
   try {
     return await axios.head(
-      `https://api.github.com/repos/${owner}/${repoName}?access_token=${accessToken}`
+      `https://${apiHostname}/repos/${owner}/${repoName}?access_token=${accessToken}`
     );
   } catch (e) {
     const error = e as GithubApiError;
@@ -175,7 +187,7 @@ export async function verifyAccessToken(
         throw new HandledError(
           `Please check your access token and make sure it is valid`
         );
-      default:
+      case 404:
         if (grantedScopes === requiredScopes) {
           throw new HandledError(
             `The repository "${owner}/${repoName}" doesn't exist`
@@ -185,6 +197,8 @@ export async function verifyAccessToken(
         throw new HandledError(
           `You do not have access to the repository "${owner}/${repoName}". Please make sure your access token has the required scopes.\n\nRequired scopes: ${requiredScopes}\nAccess token scopes: ${grantedScopes}`
         );
+      default:
+        throw e.message;
     }
   }
 }
diff --git a/src/steps/doBackportVersions.ts b/src/steps/doBackportVersions.ts
index 671c5632..cc4bb54a 100644
--- a/src/steps/doBackportVersions.ts
+++ b/src/steps/doBackportVersions.ts
@@ -25,7 +25,8 @@ export function doBackportVersions(
   username: string,
   labels: string[],
   prTitle: string,
-  prDescription: string | undefined
+  prDescription: string | undefined,
+  apiHostname: string
 ) {
   return sequentially(branches, async branch => {
     try {
@@ -37,7 +38,8 @@ export function doBackportVersions(
         username,
         labels,
         prTitle,
-        prDescription
+        prDescription,
+        apiHostname
       );
       log(`View pull request: ${pullRequest.html_url}`);
     } catch (e) {
@@ -59,7 +61,8 @@ export async function doBackportVersion(
   username: string,
   labels: string[] = [],
   prTitle: string,
-  prDescription: string | undefined
+  prDescription: string | undefined,
+  apiHostname: string
 ) {
   const featureBranch = getFeatureBranchName(baseBranch, commits);
   const refValues = commits.map(commit => getReferenceLong(commit)).join(', ');
@@ -98,9 +101,20 @@ export async function doBackportVersion(
       prTitle,
       prDescription
     );
-    const pullRequest = await createPullRequest(owner, repoName, payload);
+    const pullRequest = await createPullRequest(
+      owner,
+      repoName,
+      payload,
+      apiHostname
+    );
     if (labels.length > 0) {
-      await addLabelsToPullRequest(owner, repoName, pullRequest.number, labels);
+      await addLabelsToPullRequest(
+        owner,
+        repoName,
+        pullRequest.number,
+        labels,
+        apiHostname
+      );
     }
     return pullRequest;
   });
diff --git a/src/steps/getCommits.ts b/src/steps/getCommits.ts
index 8389ce16..ad41b1c9 100644
--- a/src/steps/getCommits.ts
+++ b/src/steps/getCommits.ts
@@ -12,7 +12,9 @@ export async function getCommits(options: BackportOptions) {
   const [owner, repoName] = options.upstream.split('/');
 
   if (options.sha) {
-    return [await getCommitBySha(owner, repoName, options.sha)];
+    return [
+      await getCommitBySha(owner, repoName, options.sha, options.apiHostname)
+    ];
   }
 
   const author = options.all ? null : options.username;
@@ -20,18 +22,20 @@ export async function getCommits(options: BackportOptions) {
     owner,
     repoName,
     author,
-    options.multipleCommits
+    options.multipleCommits,
+    options.apiHostname
   );
 }
 
 export async function getCommitBySha(
   owner: string,
   repoName: string,
-  sha: string
+  sha: string,
+  apiHostname: string
 ) {
   const spinner = ora(`Loading commit "${getShortSha(sha)}"`).start();
   try {
-    const commit = await fetchCommitBySha(owner, repoName, sha);
+    const commit = await fetchCommitBySha(owner, repoName, sha, apiHostname);
     spinner.stop();
     return commit;
   } catch (e) {
@@ -44,11 +48,17 @@ async function getCommitsByPrompt(
   owner: string,
   repoName: string,
   author: string | null,
-  multipleCommits: boolean
+  multipleCommits: boolean,
+  apiHostname: string
 ) {
   const spinner = ora('Loading commits...').start();
   try {
-    const commits = await fetchCommitsByAuthor(owner, repoName, author);
+    const commits = await fetchCommitsByAuthor(
+      owner,
+      repoName,
+      author,
+      apiHostname
+    );
     if (isEmpty(commits)) {
       const warningText = author
         ? 'There are no commits by you in this repository'
diff --git a/src/steps/maybeSetupRepo.ts b/src/steps/maybeSetupRepo.ts
index 34b831ac..ee085609 100644
--- a/src/steps/maybeSetupRepo.ts
+++ b/src/steps/maybeSetupRepo.ts
@@ -13,12 +13,14 @@ export async function maybeSetupRepo({
   accessToken,
   owner,
   repoName,
-  username
+  username,
+  gitHostname
 }: {
   accessToken: string;
   owner: string;
   repoName: string;
   username: string;
+  gitHostname: string;
 }) {
   const isAlreadyCloned = await repoExists({ owner, repoName });
 
@@ -36,7 +38,8 @@ export async function maybeSetupRepo({
         accessToken,
         callback: (progress: string) => {
           spinner.text = `${progress}% ${spinnerCloneText}`;
-        }
+        },
+        gitHostname
       });
       spinner.succeed(`100% ${spinnerCloneText}`);
     } catch (e) {
@@ -48,10 +51,16 @@ export async function maybeSetupRepo({
 
   // ensure remote are setup with latest accessToken
   await deleteRemote({ owner, repoName, username });
-  await addRemote({ owner, repoName, username, accessToken });
+  await addRemote({ owner, repoName, username, accessToken, gitHostname });
 
   if (username !== owner) {
     await deleteRemote({ owner, repoName, username: owner });
-    await addRemote({ owner, repoName, username: owner, accessToken });
+    await addRemote({
+      owner,
+      repoName,
+      username: owner,
+      accessToken,
+      gitHostname
+    });
   }
 }
diff --git a/src/steps/steps.ts b/src/steps/steps.ts
index 9c144c20..945d45d8 100755
--- a/src/steps/steps.ts
+++ b/src/steps/steps.ts
@@ -7,7 +7,12 @@ import { maybeSetupRepo } from './maybeSetupRepo';
 
 export async function initSteps(options: BackportOptions) {
   const [owner, repoName] = options.upstream.split('/');
-  await verifyAccessToken(owner, repoName, options.accessToken);
+  await verifyAccessToken(
+    owner,
+    repoName,
+    options.accessToken,
+    options.apiHostname
+  );
   setAccessToken(options.accessToken);
 
   const commits = await getCommits(options);
@@ -17,7 +22,8 @@ export async function initSteps(options: BackportOptions) {
     owner,
     repoName,
     username: options.username,
-    accessToken: options.accessToken
+    accessToken: options.accessToken,
+    gitHostname: options.gitHostname
   });
   await doBackportVersions(
     owner,
@@ -27,6 +33,7 @@ export async function initSteps(options: BackportOptions) {
     options.username,
     options.labels,
     options.prTitle,
-    options.prDescription
+    options.prDescription,
+    options.apiHostname
   );
 }
diff --git a/test/options/cliArgs.test.ts b/test/options/cliArgs.test.ts
index c233d10b..ea489b01 100644
--- a/test/options/cliArgs.test.ts
+++ b/test/options/cliArgs.test.ts
@@ -7,7 +7,9 @@ describe('getOptionsFromCliArgs', () => {
     const configOptions = {
       accessToken: 'myAccessToken',
       all: false,
+      apiHostname: 'api.github.com',
       branchChoices: [],
+      gitHostname: 'github.com',
       labels: [],
       multiple: false,
       multipleBranches: true,
@@ -38,8 +40,10 @@ describe('getOptionsFromCliArgs', () => {
     expect(res).toEqual({
       accessToken: 'myAccessToken',
       all: true,
+      apiHostname: 'api.github.com',
       branches: ['6.0', '6.1'],
       branchChoices: [],
+      gitHostname: 'github.com',
       labels: [],
       multiple: false,
       multipleBranches: true,
diff --git a/test/options/config/config.test.ts b/test/options/config/config.test.ts
index ece13e75..2282a41c 100644
--- a/test/options/config/config.test.ts
+++ b/test/options/config/config.test.ts
@@ -32,10 +32,12 @@ describe('getOptionsFromConfigFiles', () => {
     expect(res).toEqual({
       accessToken: 'myAccessToken',
       all: false,
+      apiHostname: 'api.github.com',
       branchChoices: [
         { checked: false, name: '6.x' },
         { checked: false, name: '6.1' }
       ],
+      gitHostname: 'github.com',
       labels: [],
       multiple: false,
       multipleBranches: true,
diff --git a/test/options/options.test.ts b/test/options/options.test.ts
index aa2b71b8..7b73922e 100644
--- a/test/options/options.test.ts
+++ b/test/options/options.test.ts
@@ -3,8 +3,10 @@ import { validateOptions } from '../../src/options/options';
 const validOptions = {
   accessToken: 'myAccessToken',
   all: false,
+  apiHostname: 'api.github.com',
   branchChoices: [],
   branches: ['branchA'],
+  gitHostname: 'github.com',
   labels: [],
   multiple: false,
   multipleBranches: true,
diff --git a/test/services/git.test.ts b/test/services/git.test.ts
index 80f33f76..c230c79e 100644
--- a/test/services/git.test.ts
+++ b/test/services/git.test.ts
@@ -8,7 +8,8 @@ describe('addRemote', () => {
       accessToken: 'myAccessToken',
       owner: 'elastic',
       repoName: 'kibana',
-      username: 'elastic'
+      username: 'elastic',
+      gitHostname: 'github.com'
     });
 
     return expect(spy).toHaveBeenCalledWith(
@@ -23,7 +24,8 @@ describe('addRemote', () => {
       accessToken: 'myAccessToken',
       owner: 'elastic',
       repoName: 'kibana',
-      username: 'sqren'
+      username: 'sqren',
+      gitHostname: 'github.com'
     });
 
     return expect(spy).toHaveBeenCalledWith(
@@ -31,4 +33,20 @@ describe('addRemote', () => {
       { cwd: '/myHomeDir/.backport/repositories/elastic/kibana' }
     );
   });
+
+  it('allows custom github url', async () => {
+    const spy = jest.spyOn(rpc, 'exec').mockResolvedValue({} as any);
+    await addRemote({
+      accessToken: 'myAccessToken',
+      owner: 'elastic',
+      repoName: 'kibana',
+      username: 'sqren',
+      gitHostname: 'github.my-company.com'
+    });
+
+    return expect(spy).toHaveBeenCalledWith(
+      'git remote add sqren https://myAccessToken@github.my-company.com/sqren/kibana.git',
+      { cwd: '/myHomeDir/.backport/repositories/elastic/kibana' }
+    );
+  });
 });
diff --git a/test/services/github.test.ts b/test/services/github.test.ts
index c3449319..1d7e8cff 100644
--- a/test/services/github.test.ts
+++ b/test/services/github.test.ts
@@ -13,6 +13,7 @@ describe('getCommits', () => {
     const accessToken = 'myAccessToken';
     const author = 'sqren';
     const commitSha = 'myCommitSha';
+    const apiHostname = 'api.github.com';
     setAccessToken(accessToken);
 
     mock
@@ -40,7 +41,9 @@ describe('getCommits', () => {
         ]
       });
 
-    expect(await fetchCommitsByAuthor(owner, repoName, author)).toEqual([
+    expect(
+      await fetchCommitsByAuthor(owner, repoName, author, apiHostname)
+    ).toEqual([
       {
         message: 'myMessage',
         pullNumber: 'myPullRequestNumber',
@@ -56,6 +59,7 @@ describe('getCommits', () => {
     const accessToken = 'myAccessToken';
     const author = 'sqren';
     const commitSha = 'myCommitSha';
+    const apiHostname = 'api.github.com';
     setAccessToken(accessToken);
 
     mock
@@ -77,7 +81,9 @@ describe('getCommits', () => {
       )
       .reply(200, { items: [] });
 
-    expect(await fetchCommitsByAuthor(owner, repoName, author)).toEqual([
+    expect(
+      await fetchCommitsByAuthor(owner, repoName, author, apiHostname)
+    ).toEqual([
       {
         message: 'myMessage',
         pullNumber: undefined,
@@ -85,4 +91,50 @@ describe('getCommits', () => {
       }
     ]);
   });
+
+  it('allows a custom github api hostname', async () => {
+    const mock = new MockAdapter(axios);
+    const owner = 'elastic';
+    const repoName = 'kibana';
+    const accessToken = 'myAccessToken';
+    const author = 'sqren';
+    const commitSha = 'myCommitSha';
+    const apiHostname = 'api.github.my-company.com';
+    setAccessToken(accessToken);
+
+    mock
+      .onGet(
+        `https://${apiHostname}/repos/${owner}/${repoName}/commits?access_token=${accessToken}&per_page=5&author=${author}`
+      )
+      .reply(200, [
+        {
+          commit: {
+            message: 'myMessage'
+          },
+          sha: commitSha
+        }
+      ]);
+
+    mock
+      .onGet(
+        `https://${apiHostname}/search/issues?q=repo:${owner}/${repoName}+${commitSha}+base:master&access_token=${accessToken}`
+      )
+      .reply(200, {
+        items: [
+          {
+            number: 'myPullRequestNumber'
+          }
+        ]
+      });
+
+    expect(
+      await fetchCommitsByAuthor(owner, repoName, author, apiHostname)
+    ).toEqual([
+      {
+        message: 'myMessage',
+        pullNumber: 'myPullRequestNumber',
+        sha: 'myCommitSha'
+      }
+    ]);
+  });
 });
diff --git a/test/steps/doBackportVersions.test.ts b/test/steps/doBackportVersions.test.ts
index 8a59a4e3..05548595 100644
--- a/test/steps/doBackportVersions.test.ts
+++ b/test/steps/doBackportVersions.test.ts
@@ -58,7 +58,8 @@ describe('doBackportVersion', () => {
         'sqren',
         ['backport'],
         '[{baseBranch}] {commitMessages}',
-        'myPrSuffix'
+        'myPrSuffix',
+        'api.github.com'
       );
     });
 
@@ -109,7 +110,8 @@ describe('doBackportVersion', () => {
         'sqren',
         ['backport'],
         '[{baseBranch}] {commitMessages}',
-        undefined
+        undefined,
+        'api.github.com'
       );
     });
 
@@ -171,7 +173,8 @@ describe('doBackportVersion', () => {
         'sqren',
         ['backport'],
         'myPrTitle',
-        undefined
+        undefined,
+        'api.github.com'
       );
 
       return { logSpy, execSpy, promise };
diff --git a/test/steps/getCommits.test.ts b/test/steps/getCommits.test.ts
index 25012767..0a4b3393 100644
--- a/test/steps/getCommits.test.ts
+++ b/test/steps/getCommits.test.ts
@@ -22,7 +22,12 @@ describe('getCommitBySha', () => {
         items: []
       });
 
-    const commits = await getCommitBySha('elastic', 'kibana', 'myCommitSha');
+    const commits = await getCommitBySha(
+      'elastic',
+      'kibana',
+      'myCommitSha',
+      'api.github.com'
+    );
     expect(commits).toEqual({
       message: '[Chrome] Bootstrap Angular into document.body (#15158)',
       sha: 'myCommitSha',
@@ -39,7 +44,7 @@ describe('getCommitBySha', () => {
       });
 
     await expect(
-      getCommitBySha('elastic', 'kibana', 'myCommitSha')
+      getCommitBySha('elastic', 'kibana', 'myCommitSha', 'api.github.com')
     ).rejects.toThrowError('No commit found for SHA: myCommitSha');
   });
 
@@ -58,7 +63,9 @@ describe('getCommitBySha', () => {
         items: [{ number: 1338 }]
       });
 
-    expect(await getCommitBySha('elastic', 'kibana', 'myCommitSha')).toEqual({
+    expect(
+      await getCommitBySha('elastic', 'kibana', 'myCommitSha', 'api.github.com')
+    ).toEqual({
       message: '[Chrome] Bootstrap Angular into document.body (#15158)',
       pullNumber: 1338,
       sha: 'myCommitSha'
diff --git a/test/steps/maybeSetupRepo.test.ts b/test/steps/maybeSetupRepo.test.ts
index 6de478a3..4f8ec7f1 100644
--- a/test/steps/maybeSetupRepo.test.ts
+++ b/test/steps/maybeSetupRepo.test.ts
@@ -14,7 +14,8 @@ describe('maybeSetupRepo', () => {
         owner: 'elastic',
         repoName: 'kibana',
         username: 'sqren',
-        accessToken: 'myAccessToken'
+        accessToken: 'myAccessToken',
+        gitHostname: 'github.com'
       });
     } catch (e) {
       expect(rimraf).toHaveBeenCalledWith(
diff --git a/test/steps/steps.test.ts b/test/steps/steps.test.ts
index 8d728dc3..9e7608bb 100644
--- a/test/steps/steps.test.ts
+++ b/test/steps/steps.test.ts
@@ -165,6 +165,7 @@ describe('run through steps', () => {
     await initSteps({
       accessToken: 'myAccessToken',
       all: false,
+      apiHostname: 'api.github.com',
       branches: [],
       branchChoices: [
         { name: '6.x' },
@@ -173,6 +174,7 @@ describe('run through steps', () => {
         { name: '5.5' },
         { name: '5.4' }
       ],
+      gitHostname: 'github.com',
       labels: [],
       multiple: false,
       multipleBranches: false,
@@ -193,17 +195,23 @@ describe('run through steps', () => {
     expect(github.fetchCommitsByAuthor).toHaveBeenCalledWith(
       'elastic',
       'kibana',
-      'sqren'
+      'sqren',
+      'api.github.com'
     );
   });
 
   it('createPullRequest should be called with correct args', () => {
-    expect(github.createPullRequest).toHaveBeenCalledWith('elastic', 'kibana', {
-      base: '6.2',
-      body: `Backports the following commits to 6.2:\n - myCommitMessage (#myPullRequestNumber)\n\nmyPrDescription`,
-      head: 'sqren:backport/6.2/pr-myPullRequestNumber',
-      title: 'myPrTitle'
-    });
+    expect(github.createPullRequest).toHaveBeenCalledWith(
+      'elastic',
+      'kibana',
+      {
+        base: '6.2',
+        body: `Backports the following commits to 6.2:\n - myCommitMessage (#myPullRequestNumber)\n\nmyPrDescription`,
+        head: 'sqren:backport/6.2/pr-myPullRequestNumber',
+        title: 'myPrTitle'
+      },
+      'api.github.com'
+    );
   });
 
   it('prompt calls should match snapshot', () => {