diff --git a/README.md b/README.md
index b830023..418a815 100644
--- a/README.md
+++ b/README.md
@@ -23,8 +23,6 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: lee-dohm/no-response@v0.5.0
-        with:
-          token: ${{ github.token }}
 ```
 
 ### Inputs
@@ -35,7 +33,7 @@ See [`action.yml`](action.yml) for defaults.
 - `daysUntilClose` — Number of days to wait for a response from the original author before closing.
 - `responseRequiredColor` — Color for the `responseRequiredLabel`. **Only** used when creating the label if it does not already exist.
 - `responseRequiredLabel` — Text of the label used to indicate that a response from the original author is required.
-- `token` — Token used to access repo information. The default GitHub Actions token is sufficient.
+- `token` — Token used to access repo information. The default GitHub Actions token is sufficient. Defaults to `github.token`.
 
 ### Outputs
 
diff --git a/action.yml b/action.yml
index 1eb04cb..f2b54dd 100644
--- a/action.yml
+++ b/action.yml
@@ -20,7 +20,8 @@ inputs:
     default: more-information-needed
   token:
     description: Token to access the GitHub API
-    required: true
+    required: false
+    default: ${{ github.token }}
 runs:
   using: node12
   main: 'dist/index.js'
diff --git a/src/config.ts b/src/config.ts
index 3d35187..458c692 100644
--- a/src/config.ts
+++ b/src/config.ts
@@ -57,7 +57,7 @@ export default class Config {
       'more-information-needed'
     )
 
-    this.token = core.getInput('token', { required: true })
+    this.token = core.getInput('token')
   }
 
   valueOrDefault(value: string, defaultValue: string): string {
diff --git a/test/config.test.ts b/test/config.test.ts
index 4211ba9..480d862 100644
--- a/test/config.test.ts
+++ b/test/config.test.ts
@@ -84,13 +84,5 @@ describe('Config', () => {
 
       expect(config.token).toEqual('123456789abcdef')
     })
-
-    it('raises an error if no token is given', () => {
-      delete process.env.INPUT_TOKEN
-
-      expect(() => {
-        new Config()
-      }).toThrow()
-    })
   })
 })