diff --git a/__test__/git-auth-helper.test.ts b/__test__/git-auth-helper.test.ts
index 1d5c3d5..026be7c 100644
--- a/__test__/git-auth-helper.test.ts
+++ b/__test__/git-auth-helper.test.ts
@@ -725,6 +725,7 @@ async function setup(testName: string): Promise<void> {
     setEnvironmentVariable: jest.fn((name: string, value: string) => {
       git.env[name] = value
     }),
+    setRemoteUrl: jest.fn(),
     submoduleForeach: jest.fn(async () => {
       return ''
     }),
@@ -748,7 +749,7 @@ async function setup(testName: string): Promise<void> {
       }
     ),
     tryDisableAutomaticGarbageCollection: jest.fn(),
-    tryGetFetchUrl: jest.fn(),
+    tryGetRemoteUrl: jest.fn(),
     tryReset: jest.fn()
   }
 
@@ -757,6 +758,7 @@ async function setup(testName: string): Promise<void> {
     clean: true,
     commit: '',
     fetchDepth: 1,
+    isWorkflowRepository: true,
     lfs: false,
     submodules: false,
     nestedSubmodules: false,
diff --git a/__test__/git-directory-helper.test.ts b/__test__/git-directory-helper.test.ts
index c39a2a5..22f3767 100644
--- a/__test__/git-directory-helper.test.ts
+++ b/__test__/git-directory-helper.test.ts
@@ -7,7 +7,8 @@ import {IGitCommandManager} from '../lib/git-command-manager'
 
 const testWorkspace = path.join(__dirname, '_temp', 'git-directory-helper')
 let repositoryPath: string
-let repositoryUrl: string
+let httpsUrl: string
+let sshUrl: string
 let clean: boolean
 let git: IGitCommandManager
 
@@ -40,7 +41,8 @@ describe('git-directory-helper tests', () => {
     await gitDirectoryHelper.prepareExistingDirectory(
       git,
       repositoryPath,
-      repositoryUrl,
+      httpsUrl,
+      [httpsUrl, sshUrl],
       clean
     )
 
@@ -62,7 +64,8 @@ describe('git-directory-helper tests', () => {
     await gitDirectoryHelper.prepareExistingDirectory(
       git,
       repositoryPath,
-      repositoryUrl,
+      httpsUrl,
+      [httpsUrl, sshUrl],
       clean
     )
 
@@ -87,7 +90,8 @@ describe('git-directory-helper tests', () => {
     await gitDirectoryHelper.prepareExistingDirectory(
       git,
       repositoryPath,
-      repositoryUrl,
+      httpsUrl,
+      [httpsUrl, sshUrl],
       clean
     )
 
@@ -108,7 +112,8 @@ describe('git-directory-helper tests', () => {
     await gitDirectoryHelper.prepareExistingDirectory(
       git,
       repositoryPath,
-      repositoryUrl,
+      httpsUrl,
+      [httpsUrl, sshUrl],
       clean
     )
 
@@ -136,7 +141,8 @@ describe('git-directory-helper tests', () => {
     await gitDirectoryHelper.prepareExistingDirectory(
       git,
       repositoryPath,
-      repositoryUrl,
+      httpsUrl,
+      [httpsUrl, sshUrl],
       clean
     )
 
@@ -155,14 +161,15 @@ describe('git-directory-helper tests', () => {
     await setup(removesContentsWhenDifferentRepositoryUrl)
     clean = false
     await fs.promises.writeFile(path.join(repositoryPath, 'my-file'), '')
-    const differentRepositoryUrl =
+    const differentRemoteUrl =
       'https://github.com/my-different-org/my-different-repo'
 
     // Act
     await gitDirectoryHelper.prepareExistingDirectory(
       git,
       repositoryPath,
-      differentRepositoryUrl,
+      differentRemoteUrl,
+      [differentRemoteUrl],
       clean
     )
 
@@ -186,7 +193,8 @@ describe('git-directory-helper tests', () => {
     await gitDirectoryHelper.prepareExistingDirectory(
       git,
       repositoryPath,
-      repositoryUrl,
+      httpsUrl,
+      [httpsUrl, sshUrl],
       clean
     )
 
@@ -211,7 +219,8 @@ describe('git-directory-helper tests', () => {
     await gitDirectoryHelper.prepareExistingDirectory(
       git,
       repositoryPath,
-      repositoryUrl,
+      httpsUrl,
+      [httpsUrl, sshUrl],
       clean
     )
 
@@ -235,7 +244,8 @@ describe('git-directory-helper tests', () => {
     await gitDirectoryHelper.prepareExistingDirectory(
       undefined,
       repositoryPath,
-      repositoryUrl,
+      httpsUrl,
+      [httpsUrl, sshUrl],
       clean
     )
 
@@ -259,7 +269,8 @@ describe('git-directory-helper tests', () => {
     await gitDirectoryHelper.prepareExistingDirectory(
       git,
       repositoryPath,
-      repositoryUrl,
+      httpsUrl,
+      [httpsUrl, sshUrl],
       clean
     )
 
@@ -289,7 +300,8 @@ describe('git-directory-helper tests', () => {
     await gitDirectoryHelper.prepareExistingDirectory(
       git,
       repositoryPath,
-      repositoryUrl,
+      httpsUrl,
+      [httpsUrl, sshUrl],
       clean
     )
 
@@ -319,7 +331,8 @@ describe('git-directory-helper tests', () => {
     await gitDirectoryHelper.prepareExistingDirectory(
       git,
       repositoryPath,
-      repositoryUrl,
+      httpsUrl,
+      [httpsUrl, sshUrl],
       clean
     )
 
@@ -329,6 +342,30 @@ describe('git-directory-helper tests', () => {
     expect(git.branchDelete).toHaveBeenCalledWith(true, 'remote-branch-1')
     expect(git.branchDelete).toHaveBeenCalledWith(true, 'remote-branch-2')
   })
+
+  const updatesRemoteUrl = 'updates remote URL'
+  it(updatesRemoteUrl, async () => {
+    // Arrange
+    await setup(updatesRemoteUrl)
+    await fs.promises.writeFile(path.join(repositoryPath, 'my-file'), '')
+
+    // Act
+    await gitDirectoryHelper.prepareExistingDirectory(
+      git,
+      repositoryPath,
+      sshUrl,
+      [sshUrl, httpsUrl],
+      clean
+    )
+
+    // Assert
+    const files = await fs.promises.readdir(repositoryPath)
+    expect(files.sort()).toEqual(['.git', 'my-file'])
+    expect(git.isDetached).toHaveBeenCalled()
+    expect(git.branchList).toHaveBeenCalled()
+    expect(core.warning).not.toHaveBeenCalled()
+    expect(git.setRemoteUrl).toHaveBeenCalledWith(sshUrl)
+  })
 })
 
 async function setup(testName: string): Promise<void> {
@@ -338,8 +375,9 @@ async function setup(testName: string): Promise<void> {
   repositoryPath = path.join(testWorkspace, testName)
   await fs.promises.mkdir(path.join(repositoryPath, '.git'), {recursive: true})
 
-  // Repository URL
-  repositoryUrl = 'https://github.com/my-org/my-repo'
+  // Remote URLs
+  httpsUrl = 'https://github.com/my-org/my-repo'
+  sshUrl = 'git@github.com:my-org/my-repo'
 
   // Clean
   clean = true
@@ -365,6 +403,7 @@ async function setup(testName: string): Promise<void> {
     remoteAdd: jest.fn(),
     removeEnvironmentVariable: jest.fn(),
     setEnvironmentVariable: jest.fn(),
+    setRemoteUrl: jest.fn(),
     submoduleForeach: jest.fn(),
     submoduleSync: jest.fn(),
     submoduleUpdate: jest.fn(),
@@ -374,10 +413,10 @@ async function setup(testName: string): Promise<void> {
     }),
     tryConfigUnset: jest.fn(),
     tryDisableAutomaticGarbageCollection: jest.fn(),
-    tryGetFetchUrl: jest.fn(async () => {
+    tryGetRemoteUrl: jest.fn(async () => {
       // Sanity check - this function shouldn't be called when the .git directory doesn't exist
       await fs.promises.stat(path.join(repositoryPath, '.git'))
-      return repositoryUrl
+      return httpsUrl
     }),
     tryReset: jest.fn(async () => {
       return true
diff --git a/dist/index.js b/dist/index.js
index 3992650..6e5f8f2 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -5581,6 +5581,11 @@ class GitCommandManager {
     setEnvironmentVariable(name, value) {
         this.gitEnv[name] = value;
     }
+    setRemoteUrl(value) {
+        return __awaiter(this, void 0, void 0, function* () {
+            yield this.config('git.remote.url', value);
+        });
+    }
     submoduleForeach(command, recursive) {
         return __awaiter(this, void 0, void 0, function* () {
             const args = ['submodule', 'foreach'];
@@ -5643,7 +5648,7 @@ class GitCommandManager {
             return output.exitCode === 0;
         });
     }
-    tryGetFetchUrl() {
+    tryGetRemoteUrl() {
         return __awaiter(this, void 0, void 0, function* () {
             const output = yield this.execGit(['config', '--local', '--get', 'remote.origin.url'], true);
             if (output.exitCode !== 0) {
@@ -5800,11 +5805,12 @@ const stateHelper = __importStar(__webpack_require__(153));
 const hostname = 'github.com';
 function getSource(settings) {
     return __awaiter(this, void 0, void 0, function* () {
-        // Repository URL
         core.info(`Syncing repository: ${settings.repositoryOwner}/${settings.repositoryName}`);
-        const repositoryUrl = settings.sshKey
-            ? `git@${hostname}:${encodeURIComponent(settings.repositoryOwner)}/${encodeURIComponent(settings.repositoryName)}.git`
-            : `https://${hostname}/${encodeURIComponent(settings.repositoryOwner)}/${encodeURIComponent(settings.repositoryName)}`;
+        // Remote URL
+        const httpsUrl = `https://${hostname}/${encodeURIComponent(settings.repositoryOwner)}/${encodeURIComponent(settings.repositoryName)}`;
+        const sshUrl = `git@${hostname}:${encodeURIComponent(settings.repositoryOwner)}/${encodeURIComponent(settings.repositoryName)}.git`;
+        // Always fetch the workflow repository using the token, not the SSH key
+        const initialRemoteUrl = !settings.sshKey || settings.isWorkflowRepository ? httpsUrl : sshUrl;
         // Remove conflicting file path
         if (fsHelper.fileExistsSync(settings.repositoryPath)) {
             yield io.rmRF(settings.repositoryPath);
@@ -5819,7 +5825,7 @@ function getSource(settings) {
         const git = yield getGitCommandManager(settings);
         // Prepare existing directory, otherwise recreate
         if (isExisting) {
-            yield gitDirectoryHelper.prepareExistingDirectory(git, settings.repositoryPath, repositoryUrl, settings.clean);
+            yield gitDirectoryHelper.prepareExistingDirectory(git, settings.repositoryPath, initialRemoteUrl, [httpsUrl, sshUrl], settings.clean);
         }
         if (!git) {
             // Downloading using REST API
@@ -5839,7 +5845,7 @@ function getSource(settings) {
         // Initialize the repository
         if (!fsHelper.directoryExistsSync(path.join(settings.repositoryPath, '.git'))) {
             yield git.init();
-            yield git.remoteAdd('origin', repositoryUrl);
+            yield git.remoteAdd('origin', initialRemoteUrl);
         }
         // Disable automatic garbage collection
         if (!(yield git.tryDisableAutomaticGarbageCollection())) {
@@ -5864,6 +5870,10 @@ function getSource(settings) {
             if (settings.lfs) {
                 yield git.lfsFetch(checkoutInfo.startPoint || checkoutInfo.ref);
             }
+            // Fix URL when using SSH
+            if (settings.sshKey && initialRemoteUrl != sshUrl) {
+                yield git.setRemoteUrl(sshUrl);
+            }
             // Checkout
             yield git.checkout(checkoutInfo.ref, checkoutInfo.startPoint);
             // Submodules
@@ -7191,21 +7201,29 @@ var __importStar = (this && this.__importStar) || function (mod) {
     return result;
 };
 Object.defineProperty(exports, "__esModule", { value: true });
+const assert = __importStar(__webpack_require__(357));
 const core = __importStar(__webpack_require__(470));
 const fs = __importStar(__webpack_require__(747));
 const fsHelper = __importStar(__webpack_require__(618));
 const io = __importStar(__webpack_require__(1));
 const path = __importStar(__webpack_require__(622));
-function prepareExistingDirectory(git, repositoryPath, repositoryUrl, clean) {
+function prepareExistingDirectory(git, repositoryPath, initialRemoteUrl, allowedRemoteUrls, clean) {
     return __awaiter(this, void 0, void 0, function* () {
+        assert.ok(repositoryPath, 'Expected repositoryPath to be defined');
+        assert.ok(allowedRemoteUrls, 'Expected allowedRemoteUrls to be defined');
+        assert.ok(allowedRemoteUrls.length, 'Expected allowedRemoteUrls to have at least one value');
+        assert.ok(initialRemoteUrl, 'Expected initialRemoteUrl to be defined');
+        // Indicates whether to delete the directory contents
         let remove = false;
+        // The remote URL
+        let remoteUrl;
         // Check whether using git or REST API
         if (!git) {
             remove = true;
         }
         // Fetch URL does not match
         else if (!fsHelper.directoryExistsSync(path.join(repositoryPath, '.git')) ||
-            repositoryUrl !== (yield git.tryGetFetchUrl())) {
+            allowedRemoteUrls.indexOf((remoteUrl = yield git.tryGetRemoteUrl())) < 0) {
             remove = true;
         }
         else {
@@ -7250,6 +7268,10 @@ function prepareExistingDirectory(git, repositoryPath, repositoryUrl, clean) {
                         core.warning(`Unable to clean or reset the repository. The repository will be recreated instead.`);
                     }
                 }
+                // Always fetch the workflow repository using HTTPS
+                if (remoteUrl !== initialRemoteUrl) {
+                    yield git.setRemoteUrl(initialRemoteUrl);
+                }
             }
             catch (error) {
                 core.warning(`Unable to prepare the existing repository. The repository will be recreated instead.`);
@@ -13989,6 +14011,7 @@ const core = __importStar(__webpack_require__(470));
 const fsHelper = __importStar(__webpack_require__(618));
 const github = __importStar(__webpack_require__(469));
 const path = __importStar(__webpack_require__(622));
+const hostname = 'github.com';
 function getInputs() {
     const result = {};
     // GitHub workspace
@@ -14018,12 +14041,13 @@ function getInputs() {
         throw new Error(`Repository path '${result.repositoryPath}' is not under '${githubWorkspacePath}'`);
     }
     // Workflow repository?
-    const isWorkflowRepository = qualifiedRepository.toUpperCase() ===
-        `${github.context.repo.owner}/${github.context.repo.repo}`.toUpperCase();
+    result.isWorkflowRepository =
+        qualifiedRepository.toUpperCase() ===
+            `${github.context.repo.owner}/${github.context.repo.repo}`.toUpperCase();
     // Source branch, source version
     result.ref = core.getInput('ref');
     if (!result.ref) {
-        if (isWorkflowRepository) {
+        if (result.isWorkflowRepository) {
             result.ref = github.context.ref;
             result.commit = github.context.sha;
             // Some events have an unqualifed ref. For example when a PR is merged (pull_request closed event),
diff --git a/src/git-command-manager.ts b/src/git-command-manager.ts
index 4cbfe4a..a874e35 100644
--- a/src/git-command-manager.ts
+++ b/src/git-command-manager.ts
@@ -33,6 +33,7 @@ export interface IGitCommandManager {
   remoteAdd(remoteName: string, remoteUrl: string): Promise<void>
   removeEnvironmentVariable(name: string): void
   setEnvironmentVariable(name: string, value: string): void
+  setRemoteUrl(url: string): Promise<void>
   submoduleForeach(command: string, recursive: boolean): Promise<string>
   submoduleSync(recursive: boolean): Promise<void>
   submoduleUpdate(fetchDepth: number, recursive: boolean): Promise<void>
@@ -40,7 +41,7 @@ export interface IGitCommandManager {
   tryClean(): Promise<boolean>
   tryConfigUnset(configKey: string, globalConfig?: boolean): Promise<boolean>
   tryDisableAutomaticGarbageCollection(): Promise<boolean>
-  tryGetFetchUrl(): Promise<string>
+  tryGetRemoteUrl(): Promise<string>
   tryReset(): Promise<boolean>
 }
 
@@ -241,6 +242,10 @@ class GitCommandManager {
     this.gitEnv[name] = value
   }
 
+  async setRemoteUrl(value: string): Promise<void> {
+    await this.config('git.remote.url', value)
+  }
+
   async submoduleForeach(command: string, recursive: boolean): Promise<string> {
     const args = ['submodule', 'foreach']
     if (recursive) {
@@ -309,7 +314,7 @@ class GitCommandManager {
     return output.exitCode === 0
   }
 
-  async tryGetFetchUrl(): Promise<string> {
+  async tryGetRemoteUrl(): Promise<string> {
     const output = await this.execGit(
       ['config', '--local', '--get', 'remote.origin.url'],
       true
diff --git a/src/git-directory-helper.ts b/src/git-directory-helper.ts
index bfaa4a9..a7d6ae8 100644
--- a/src/git-directory-helper.ts
+++ b/src/git-directory-helper.ts
@@ -1,18 +1,30 @@
+import * as assert from 'assert'
 import * as core from '@actions/core'
 import * as fs from 'fs'
 import * as fsHelper from './fs-helper'
 import * as io from '@actions/io'
 import * as path from 'path'
 import {IGitCommandManager} from './git-command-manager'
+import {IGitSourceSettings} from './git-source-settings'
 
 export async function prepareExistingDirectory(
   git: IGitCommandManager | undefined,
   repositoryPath: string,
-  repositoryUrl: string,
+  preferredRemoteUrl: string,
+  allowedRemoteUrls: string[],
   clean: boolean
 ): Promise<void> {
+  assert.ok(repositoryPath, 'Expected repositoryPath to be defined')
+  assert.ok(preferredRemoteUrl, 'Expected preferredRemoteUrl to be defined')
+  assert.ok(allowedRemoteUrls, 'Expected allowedRemoteUrls to be defined')
+  assert.ok(allowedRemoteUrls.length, 'Expected allowedRemoteUrls to have at least one value')
+
+  // Indicates whether to delete the directory contents
   let remove = false
 
+  // The remote URL
+  let remoteUrl: string
+
   // Check whether using git or REST API
   if (!git) {
     remove = true
@@ -20,7 +32,7 @@ export async function prepareExistingDirectory(
   // Fetch URL does not match
   else if (
     !fsHelper.directoryExistsSync(path.join(repositoryPath, '.git')) ||
-    repositoryUrl !== (await git.tryGetFetchUrl())
+    allowedRemoteUrls.indexOf((remoteUrl = await git.tryGetRemoteUrl())) < 0
   ) {
     remove = true
   } else {
@@ -72,6 +84,11 @@ export async function prepareExistingDirectory(
           )
         }
       }
+
+      // Update to the preferred remote URL
+      if (remoteUrl !== preferredRemoteUrl) {
+        await git.setRemoteUrl(preferredRemoteUrl)
+      }
     } catch (error) {
       core.warning(
         `Unable to prepare the existing repository. The repository will be recreated instead.`
diff --git a/src/git-source-provider.ts b/src/git-source-provider.ts
index 4bce702..c1859a6 100644
--- a/src/git-source-provider.ts
+++ b/src/git-source-provider.ts
@@ -14,17 +14,21 @@ import {IGitSourceSettings} from './git-source-settings'
 const hostname = 'github.com'
 
 export async function getSource(settings: IGitSourceSettings): Promise<void> {
-  // Repository URL
   core.info(
     `Syncing repository: ${settings.repositoryOwner}/${settings.repositoryName}`
   )
-  const repositoryUrl = settings.sshKey
-    ? `git@${hostname}:${encodeURIComponent(
-        settings.repositoryOwner
-      )}/${encodeURIComponent(settings.repositoryName)}.git`
-    : `https://${hostname}/${encodeURIComponent(
-        settings.repositoryOwner
-      )}/${encodeURIComponent(settings.repositoryName)}`
+
+  // Remote URL
+  const httpsUrl = `https://${hostname}/${encodeURIComponent(
+    settings.repositoryOwner
+  )}/${encodeURIComponent(settings.repositoryName)}`
+  const sshUrl = `git@${hostname}:${encodeURIComponent(
+    settings.repositoryOwner
+  )}/${encodeURIComponent(settings.repositoryName)}.git`
+
+  // Always fetch the workflow repository using the token, not the SSH key
+  const initialRemoteUrl =
+    !settings.sshKey || settings.isWorkflowRepository ? httpsUrl : sshUrl
 
   // Remove conflicting file path
   if (fsHelper.fileExistsSync(settings.repositoryPath)) {
@@ -46,7 +50,8 @@ export async function getSource(settings: IGitSourceSettings): Promise<void> {
     await gitDirectoryHelper.prepareExistingDirectory(
       git,
       settings.repositoryPath,
-      repositoryUrl,
+      initialRemoteUrl,
+      [httpsUrl, sshUrl],
       settings.clean
     )
   }
@@ -86,7 +91,7 @@ export async function getSource(settings: IGitSourceSettings): Promise<void> {
     !fsHelper.directoryExistsSync(path.join(settings.repositoryPath, '.git'))
   ) {
     await git.init()
-    await git.remoteAdd('origin', repositoryUrl)
+    await git.remoteAdd('origin', initialRemoteUrl)
   }
 
   // Disable automatic garbage collection
@@ -124,6 +129,11 @@ export async function getSource(settings: IGitSourceSettings): Promise<void> {
       await git.lfsFetch(checkoutInfo.startPoint || checkoutInfo.ref)
     }
 
+    // Fix URL when using SSH
+    if (settings.sshKey && initialRemoteUrl != sshUrl) {
+      await git.setRemoteUrl(sshUrl)
+    }
+
     // Checkout
     await git.checkout(checkoutInfo.ref, checkoutInfo.startPoint)
 
diff --git a/src/git-source-settings.ts b/src/git-source-settings.ts
index 04d548c..25af0c8 100644
--- a/src/git-source-settings.ts
+++ b/src/git-source-settings.ts
@@ -1,17 +1,81 @@
 export interface IGitSourceSettings {
+  /**
+   * The location on disk where the repository will be placed
+   */
   repositoryPath: string
+
+  /**
+   * The repository owner
+   */
   repositoryOwner: string
+
+  /**
+   * The repository name
+   */
   repositoryName: string
+
+  /**
+   * Indicates whether the repository is main workflow repository
+   */
+  isWorkflowRepository: boolean
+
+  /**
+   * The ref to fetch
+   */
   ref: string
+
+  /**
+   * The commit to checkout
+   */
   commit: string
+
+  /**
+   * Indicates whether to clean the repository
+   */
   clean: boolean
+
+  /**
+   * The depth when fetching
+   */
   fetchDepth: number
+
+  /**
+   * Indicates whether to fetch LFS objects
+   */
   lfs: boolean
+
+  /**
+   * Indicates whether to checkout submodules
+   */
   submodules: boolean
+
+  /**
+   * Indicates whether to recursively checkout submodules
+   */
   nestedSubmodules: boolean
+
+  /**
+   * The auth token to use when fetching the repository
+   */
   authToken: string
+
+  /**
+   * The SSH key to configure
+   */
   sshKey: string
+
+  /**
+   * Additional SSH known hosts
+   */
   sshKnownHosts: string
+
+  /**
+   * Indicates whether the server must be a known host
+   */
   sshStrict: boolean
+
+  /**
+   * Indicates whether to persist the credentials on disk to enable scripting authenticated git commands
+   */
   persistCredentials: boolean
 }
diff --git a/src/input-helper.ts b/src/input-helper.ts
index 11a1ab6..6e35986 100644
--- a/src/input-helper.ts
+++ b/src/input-helper.ts
@@ -4,6 +4,8 @@ import * as github from '@actions/github'
 import * as path from 'path'
 import {IGitSourceSettings} from './git-source-settings'
 
+const hostname = 'github.com'
+
 export function getInputs(): IGitSourceSettings {
   const result = ({} as unknown) as IGitSourceSettings
 
@@ -51,14 +53,14 @@ export function getInputs(): IGitSourceSettings {
   }
 
   // Workflow repository?
-  const isWorkflowRepository =
+  result.isWorkflowRepository =
     qualifiedRepository.toUpperCase() ===
     `${github.context.repo.owner}/${github.context.repo.repo}`.toUpperCase()
 
   // Source branch, source version
   result.ref = core.getInput('ref')
   if (!result.ref) {
-    if (isWorkflowRepository) {
+    if (result.isWorkflowRepository) {
       result.ref = github.context.ref
       result.commit = github.context.sha