diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 6e9fc96..d2b0bb2 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -11,7 +11,7 @@ jobs:
     name: 'test ${{ matrix.os }}'
     strategy:
       matrix:
-        os: [ubuntu-latest, macos-latest]
+        os: [ubuntu-latest, macos-latest, windows-latest]
     runs-on: ${{ matrix.os }}
     steps:
       - name: Checkout
diff --git a/action.yaml b/action.yaml
index fece11f..764b861 100644
--- a/action.yaml
+++ b/action.yaml
@@ -25,7 +25,7 @@ runs:
       if: runner.os != 'Windows'
     - run: |
         irm https://dosei.ai/install.ps1 | iex
-        echo "$env:USERPROFILE\.dosei\bin" >> $GITHUB_PATH
+        Add-Content $env:GITHUB_PATH "$env:USERPROFILE\.dosei\bin"
       shell: pwsh
       if: runner.os == 'Windows'
     - run: echo "DOSEI_TOKEN=${{ inputs.token }}" >> $GITHUB_ENV