diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 3d745a2d..d2f4ada9 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -3,7 +3,7 @@ name: ci
 on:
   workflow_dispatch:
   schedule:
-    - cron: '0 10 * * *' # everyday at 10am
+    - cron: '0 10 * * *'
   push:
     branches:
       - 'master'
diff --git a/README.md b/README.md
index cbf86316..f56996ed 100644
--- a/README.md
+++ b/README.md
@@ -379,6 +379,7 @@ Following inputs can be used as `step.with` keys
 | `registry`       | String  |                             | Server address of Docker registry. If not set then will default to Docker Hub |
 | `username`       | String  |                             | Username used to log against the Docker registry |
 | `password`       | String  |                             | Password or personal access token used to log against the Docker registry |
+| `ecr`            | String  | `auto`                      | Specifies whether the given registry is ECR (`auto`, `true` or `false`) |
 | `logout`         | Bool    | `true`                      | Log out from the Docker registry at the end of a job |
 
 ## Keep up-to-date with GitHub Dependabot
diff --git a/__tests__/main.test.ts b/__tests__/main.test.ts
index 89e9151a..dd5f998b 100644
--- a/__tests__/main.test.ts
+++ b/__tests__/main.test.ts
@@ -34,6 +34,9 @@ test('successful with username and password', async () => {
   const password: string = 'groundcontrol';
   process.env[`INPUT_PASSWORD`] = password;
 
+  const ecr: string = 'auto';
+  process.env['INPUT_ECR'] = ecr;
+
   const logout: boolean = false;
   process.env['INPUT_LOGOUT'] = String(logout);
 
@@ -41,7 +44,7 @@ test('successful with username and password', async () => {
 
   expect(setRegistrySpy).toHaveBeenCalledWith('');
   expect(setLogoutSpy).toHaveBeenCalledWith(logout);
-  expect(dockerSpy).toHaveBeenCalledWith('', username, password);
+  expect(dockerSpy).toHaveBeenCalledWith('', username, password, ecr);
 });
 
 test('calls docker login', async () => {
@@ -62,6 +65,9 @@ test('calls docker login', async () => {
   const registry: string = 'ghcr.io';
   process.env[`INPUT_REGISTRY`] = registry;
 
+  const ecr: string = 'auto';
+  process.env['INPUT_ECR'] = ecr;
+
   const logout: boolean = true;
   process.env['INPUT_LOGOUT'] = String(logout);
 
@@ -69,5 +75,5 @@ test('calls docker login', async () => {
 
   expect(setRegistrySpy).toHaveBeenCalledWith(registry);
   expect(setLogoutSpy).toHaveBeenCalledWith(logout);
-  expect(dockerSpy).toHaveBeenCalledWith(registry, username, password);
+  expect(dockerSpy).toHaveBeenCalledWith(registry, username, password, ecr);
 });
diff --git a/action.yml b/action.yml
index 039e609b..5e837acf 100644
--- a/action.yml
+++ b/action.yml
@@ -16,6 +16,10 @@ inputs:
   password:
     description: 'Password or personal access token used to log against the Docker registry'
     required: false
+  ecr:
+    description: 'Specifies whether the given registry is ECR (auto, true or false)'
+    default: 'auto'
+    required: false
   logout:
     description: 'Log out from the Docker registry at the end of a job'
     default: 'true'
diff --git a/dist/index.js b/dist/index.js
index aff42a2f..43067e57 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -160,6 +160,7 @@ function getInputs() {
         registry: core.getInput('registry'),
         username: core.getInput('username'),
         password: core.getInput('password'),
+        ecr: core.getInput('ecr'),
         logout: core.getBooleanInput('logout')
     };
 }
@@ -206,9 +207,9 @@ exports.loginECR = exports.loginStandard = exports.logout = exports.login = void
 const aws = __importStar(__nccwpck_require__(35981));
 const core = __importStar(__nccwpck_require__(42186));
 const exec = __importStar(__nccwpck_require__(71514));
-function login(registry, username, password) {
+function login(registry, username, password, ecr) {
     return __awaiter(this, void 0, void 0, function* () {
-        if (aws.isECR(registry)) {
+        if (/true/i.test(ecr) || (ecr == 'auto' && aws.isECR(registry))) {
             yield loginECR(registry, username, password);
         }
         else {
@@ -328,10 +329,10 @@ const stateHelper = __importStar(__nccwpck_require__(88647));
 function run() {
     return __awaiter(this, void 0, void 0, function* () {
         try {
-            const { registry, username, password, logout } = context.getInputs();
-            stateHelper.setRegistry(registry);
-            stateHelper.setLogout(logout);
-            yield docker.login(registry, username, password);
+            const input = context.getInputs();
+            stateHelper.setRegistry(input.registry);
+            stateHelper.setLogout(input.logout);
+            yield docker.login(input.registry, input.username, input.password, input.ecr);
         }
         catch (error) {
             core.setFailed(error.message);
diff --git a/src/context.ts b/src/context.ts
index f5bdaa27..8a381688 100644
--- a/src/context.ts
+++ b/src/context.ts
@@ -4,6 +4,7 @@ export interface Inputs {
   registry: string;
   username: string;
   password: string;
+  ecr: string;
   logout: boolean;
 }
 
@@ -12,6 +13,7 @@ export function getInputs(): Inputs {
     registry: core.getInput('registry'),
     username: core.getInput('username'),
     password: core.getInput('password'),
+    ecr: core.getInput('ecr'),
     logout: core.getBooleanInput('logout')
   };
 }
diff --git a/src/docker.ts b/src/docker.ts
index dfb3d663..fce77f5e 100644
--- a/src/docker.ts
+++ b/src/docker.ts
@@ -2,8 +2,8 @@ import * as aws from './aws';
 import * as core from '@actions/core';
 import * as exec from '@actions/exec';
 
-export async function login(registry: string, username: string, password: string): Promise<void> {
-  if (aws.isECR(registry)) {
+export async function login(registry: string, username: string, password: string, ecr: string): Promise<void> {
+  if (/true/i.test(ecr) || (ecr == 'auto' && aws.isECR(registry))) {
     await loginECR(registry, username, password);
   } else {
     await loginStandard(registry, username, password);
diff --git a/src/main.ts b/src/main.ts
index f15082e6..9e03601d 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -5,10 +5,10 @@ import * as stateHelper from './state-helper';
 
 export async function run(): Promise<void> {
   try {
-    const {registry, username, password, logout} = context.getInputs();
-    stateHelper.setRegistry(registry);
-    stateHelper.setLogout(logout);
-    await docker.login(registry, username, password);
+    const input: context.Inputs = context.getInputs();
+    stateHelper.setRegistry(input.registry);
+    stateHelper.setLogout(input.logout);
+    await docker.login(input.registry, input.username, input.password, input.ecr);
   } catch (error) {
     core.setFailed(error.message);
   }