diff --git a/README.md b/README.md
index 7a6e885..4b1b361 100644
--- a/README.md
+++ b/README.md
@@ -7,8 +7,25 @@
 This is a Github Action that can be used to publish [snap
 packages](https://snapcraft.io) to the Snap Store.  In most cases, it
 will be used with the `snapcraft-build-action` action to build the
-package.  The following workflow should be sufficient for:
+package.  The following workflow should be sufficient for Snapcraft 7 or later:
 
+```yaml
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - uses: snapcore/action-build@v1
+      id: build
+    - uses: snapcore/action-publish@v1
+      env:
+        SNAPCRAFT_STORE_CREDENTIALS: ${{ secrets.STORE_LOGIN }}
+      with:
+        snap: ${{ steps.build.outputs.snap }}
+        release: edge
+```
+
+Alternatively, on Snapcraft 6 and older:
 ```yaml
 jobs:
   build:
diff --git a/__tests__/publish.test.ts b/__tests__/publish.test.ts
index 3bdd486..25c3d5e 100644
--- a/__tests__/publish.test.ts
+++ b/__tests__/publish.test.ts
@@ -168,3 +168,72 @@ test('SnapcraftPublisher.publish can release the published snap', async () => {
   ])
   expect(execMock).toHaveBeenCalledWith('snapcraft', ['logout'])
 })
+
+describe('process.env', () => {
+  const env = process.env
+
+  beforeEach(() => {
+    jest.resetModules()
+    process.env = {...env}
+  })
+
+  afterEach(() => {
+    process.env = env
+  })
+
+  test('SnapcraftPublisher.publish can release the published snap with new login', async () => {
+    expect.assertions(5)
+
+    const ensureSnapd = jest
+      .spyOn(tools, 'ensureSnapd')
+      .mockImplementation(async (): Promise<void> => {})
+    const ensureSnapcraft = jest
+      .spyOn(tools, 'ensureSnapcraft')
+      .mockImplementation(async (): Promise<void> => {})
+    const execMock = jest
+      .spyOn(exec, 'exec')
+      .mockImplementation(
+        async (program: string, args?: string[]): Promise<number> => {
+          return 0
+        }
+      )
+
+    process.env.SNAPCRAFT_STORE_CREDENTIALS = 'credentials'
+    const publisher = new publish.SnapcraftPublisher({
+      loginData: '',
+      snapFile: 'filename.snap',
+      release: 'edge'
+    })
+    await publisher.publish()
+
+    expect(ensureSnapd).toHaveBeenCalled()
+    expect(ensureSnapcraft).toHaveBeenCalled()
+    expect(execMock).not.toHaveBeenCalledWith('snapcraft', [
+      'login',
+      '--with',
+      expect.any(String)
+    ])
+    expect(execMock).toHaveBeenCalledWith('snapcraft', [
+      'upload',
+      'filename.snap',
+      '--release',
+      'edge'
+    ])
+    expect(execMock).not.toHaveBeenCalledWith('snapcraft', ['logout'])
+  })
+
+  test('SnapcraftPublisher.validate validates inputs with new login', async () => {
+    expect.assertions(0)
+
+    const existingSnap = path.join(__dirname, '..', 'README.md')
+    process.env.SNAPCRAFT_STORE_CREDENTIALS = 'credentials'
+
+    // Missing login data but env set
+    let publisher = new publish.SnapcraftPublisher({
+      loginData: '',
+      snapFile: existingSnap,
+      release: ''
+    })
+    await publisher.validate()
+  })
+})
diff --git a/action.yml b/action.yml
index 38aa4d5..90474e2 100644
--- a/action.yml
+++ b/action.yml
@@ -7,7 +7,7 @@ branding:
 inputs:
   store_login:
     description: 'The login data for the Snap Store produced with "snapcraft export-login"'
-    required: true
+    required: false
   snap:
     description: 'The snap file to upload to the store'
     required: true
diff --git a/dist/index.js b/dist/index.js
index 97f509c..d111ce5 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -3042,6 +3042,9 @@ class SnapcraftPublisher {
         this.release = options.release;
     }
     async validate() {
+        if (process.env.SNAPCRAFT_STORE_CREDENTIALS) {
+            return;
+        }
         if (!this.loginData) {
             throw new Error('login_data is empty');
         }
@@ -3077,12 +3080,16 @@ class SnapcraftPublisher {
     async publish() {
         await ensureSnapd();
         await ensureSnapcraft();
-        await this.login();
+        if (!process.env.SNAPCRAFT_STORE_CREDENTIALS) {
+            await this.login();
+        }
         try {
             await this.upload();
         }
         finally {
-            await this.logout();
+            if (!process.env.SNAPCRAFT_STORE_CREDENTIALS) {
+                await this.logout();
+            }
         }
     }
 }
diff --git a/src/publish.ts b/src/publish.ts
index 71a9794..d508012 100644
--- a/src/publish.ts
+++ b/src/publish.ts
@@ -24,6 +24,10 @@ export class SnapcraftPublisher {
   }
 
   async validate(): Promise<void> {
+    if (process.env.SNAPCRAFT_STORE_CREDENTIALS) {
+      return
+    }
+
     if (!this.loginData) {
       throw new Error('login_data is empty')
     }
@@ -63,11 +67,15 @@ export class SnapcraftPublisher {
   async publish(): Promise<void> {
     await tools.ensureSnapd()
     await tools.ensureSnapcraft()
-    await this.login()
+    if (!process.env.SNAPCRAFT_STORE_CREDENTIALS) {
+      await this.login()
+    }
     try {
       await this.upload()
     } finally {
-      await this.logout()
+      if (!process.env.SNAPCRAFT_STORE_CREDENTIALS) {
+        await this.logout()
+      }
     }
   }
 }