diff --git a/README.md b/README.md
index 019624f..abb4387 100644
--- a/README.md
+++ b/README.md
@@ -73,17 +73,17 @@ Each example includes a complete workflow file that you can copy to your `.githu
 
 ## Inputs
 
-| Input                  | Description                                                                                | Required | Example                                             |
-| ---------------------- | ------------------------------------------------------------------------------------------ | -------- | --------------------------------------------------- |
-| `augment_session_auth` | Augment session authentication JSON containing accessToken and tenantURL (store as secret) | Yes      | `${{ secrets.AUGMENT_SESSION_AUTH }}`               |
-| `github_token`         | GitHub token with `repo` scopes                                                            | Yes      | `${{ secrets.GITHUB_TOKEN }}`                       |
-| `pull_number`          | The number of the pull request being reviewed                                              | Yes      | `${{ github.event.pull_request.number }}`           |
-| `repo_name`            | The full name (owner/repo) of the repository                                               | Yes      | `${{ github.repository }}`                          |
-| `custom_guidelines`    | Custom guidelines to include in PR reviews                                                 | No       | See [Custom Guidelines](#custom-guidelines) section |
-| `model`                | Optional model name to use; passed directly to augment agent                               | No       | e.g. `sonnet4`, from `auggie --list-models`         |
-| `rules`                | JSON array of rule file paths forwarded to augment agent as repeated `--rules` flags       | No       | `'[".augment/rules.md"]'`                           |
-| `mcp_configs`          | JSON array of MCP config file paths forwarded as repeated `--mcp-config` flags             | No       | `'[".augment/mcp.json"]'`                           |
-| `fetch_depth`          | Number of commits to fetch. Use `0` for full history (default), `1` for shallow clone, or any positive integer for specific depth | No       | `1` (shallow), `50` (last 50 commits), `0` (full) |
+| Input                  | Description                                                                                                                       | Required | Example                                             |
+| ---------------------- | --------------------------------------------------------------------------------------------------------------------------------- | -------- | --------------------------------------------------- |
+| `augment_session_auth` | Augment session authentication JSON containing accessToken and tenantURL (store as secret)                                        | Yes      | `${{ secrets.AUGMENT_SESSION_AUTH }}`               |
+| `github_token`         | GitHub token with `repo` scopes                                                                                                   | Yes      | `${{ secrets.GITHUB_TOKEN }}`                       |
+| `pull_number`          | The number of the pull request being reviewed                                                                                     | Yes      | `${{ github.event.pull_request.number }}`           |
+| `repo_name`            | The full name (owner/repo) of the repository                                                                                      | Yes      | `${{ github.repository }}`                          |
+| `custom_guidelines`    | Custom guidelines to include in PR reviews                                                                                        | No       | See [Custom Guidelines](#custom-guidelines) section |
+| `model`                | Optional model name to use; passed directly to augment agent                                                                      | No       | e.g. `sonnet4`, from `auggie --list-models`         |
+| `rules`                | JSON array of rule file paths forwarded to augment agent as repeated `--rules` flags                                              | No       | `'[".augment/rules.md"]'`                           |
+| `mcp_configs`          | JSON array of MCP config file paths forwarded as repeated `--mcp-config` flags                                                    | No       | `'[".augment/mcp.json"]'`                           |
+| `fetch_depth`          | Number of commits to fetch. Use `0` for full history (default), `1` for shallow clone, or any positive integer for specific depth | No       | `1` (shallow), `50` (last 50 commits), `0` (full)   |
 
 ## How It Works
 
diff --git a/action.yml b/action.yml
index 5899402..70246b7 100644
--- a/action.yml
+++ b/action.yml
@@ -39,7 +39,7 @@ runs:
   using: "composite"
   steps:
     - name: Checkout PR Head
-      uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4.0.0
+      uses: actions/checkout@d26b0d41bf4021c914eabfa7ba4dc03269578989 # v4.0.0
       with:
         token: ${{ inputs.github_token }}
         ref: refs/pull/${{ inputs.pull_number }}/head
@@ -60,7 +60,8 @@ runs:
         CUSTOM_GUIDELINES: ${{ inputs.custom_guidelines }}
 
     - name: Run Augment Agent
-      uses: augmentcode/augment-agent@v0
+      # Testing PR #9 commit SHA to verify directory structure compatibility
+      uses: augmentcode/augment-agent@acf657cb99e573ee2ca730b4779e09045e4c8ce5
       with:
         augment_session_auth: ${{ inputs.augment_session_auth }}
         github_token: ${{ inputs.github_token }}