diff --git a/.github/workflows/create-comment.yml b/.github/workflows/create-comment.yml
index a0f3a0c..35438f0 100644
--- a/.github/workflows/create-comment.yml
+++ b/.github/workflows/create-comment.yml
@@ -18,7 +18,6 @@ jobs:
       - name: Create comment
         uses: ./
         with:
-          token: ${{ secrets.GITHUB_TOKEN }}
           issue-number: 1
           body: |
             This is a multi-line test comment
diff --git a/.github/workflows/update-comment.yml b/.github/workflows/update-comment.yml
index 8c7ad70..1a3c3ff 100644
--- a/.github/workflows/update-comment.yml
+++ b/.github/workflows/update-comment.yml
@@ -18,7 +18,6 @@ jobs:
         if: github.event.issue.number == 1
         uses: ./
         with:
-          token: ${{ secrets.GITHUB_TOKEN }}
           comment-id: ${{ github.event.comment.id }}
           body: |
             **Edit:** Some additional info
@@ -28,6 +27,5 @@ jobs:
         if: github.event.issue.number == 1
         uses: ./
         with:
-          token: ${{ secrets.GITHUB_TOKEN }}
           comment-id: ${{ github.event.comment.id }}
           reaction-type: heart
diff --git a/README.md b/README.md
index be5e5ec..b39122c 100644
--- a/README.md
+++ b/README.md
@@ -13,7 +13,6 @@ This action was created to help facilitate a GitHub Actions "ChatOps" solution i
       - name: Create comment
         uses: peter-evans/create-or-update-comment@v1
         with:
-          token: ${{ secrets.GITHUB_TOKEN }}
           issue-number: 1
           body: |
             This is a multi-line test comment
@@ -30,7 +29,6 @@ This action was created to help facilitate a GitHub Actions "ChatOps" solution i
       - name: Update comment
         uses: peter-evans/create-or-update-comment@v1
         with:
-          token: ${{ secrets.GITHUB_TOKEN }}
           comment-id: 557858210
           body: |
             **Edit:** Some additional info
@@ -43,7 +41,6 @@ This action was created to help facilitate a GitHub Actions "ChatOps" solution i
       - name: Add reaction
         uses: peter-evans/create-or-update-comment@v1
         with:
-          token: ${{ secrets.GITHUB_TOKEN }}
           comment-id: 557858210
           reaction-type: heart
 ```
@@ -52,7 +49,7 @@ This action was created to help facilitate a GitHub Actions "ChatOps" solution i
 
 | Name | Description | Default |
 | --- | --- | --- |
-| `token` | `GITHUB_TOKEN` or a `repo` scoped [PAT](https://help.github.com/en/github/authenticating-to-github/creating-a-personal-access-token-for-the-command-line). | |
+| `token` | `GITHUB_TOKEN` or a `repo` scoped [PAT](https://help.github.com/en/github/authenticating-to-github/creating-a-personal-access-token-for-the-command-line). | `GITHUB_TOKEN` |
 | `repository` | The full name of the repository in which to create or update a comment. | Current repository |
 | `issue-number` | The number of the issue or pull request in which to create a comment. | |
 | `comment-id` | The id of the comment to update. | |
@@ -76,7 +73,6 @@ jobs:
       - name: Add reaction
         uses: peter-evans/create-or-update-comment@v1
         with:
-          token: ${{ secrets.GITHUB_TOKEN }}
           comment-id: ${{ github.event.comment.id }}
           reaction-type: eyes
 ```
diff --git a/action.yml b/action.yml
index 73dc744..4e5b0f1 100644
--- a/action.yml
+++ b/action.yml
@@ -3,7 +3,7 @@ description: 'Create or update an issue or pull request comment'
 inputs:
   token:
     description: 'GITHUB_TOKEN or a repo scoped PAT.'
-    required: true
+    default: ${{ github.token }}
   repository:
     description: 'The full name of the repository in which to create or update a comment.'
   issue-number: