diff --git a/.github/workflows/integration.yaml b/.github/workflows/integration.yaml
index bb1fc3a3..eb6ff84f 100644
--- a/.github/workflows/integration.yaml
+++ b/.github/workflows/integration.yaml
@@ -88,8 +88,8 @@ jobs:
       - name: Add Dart SDK to PATH
         shell: powershell
         run: |
-          $dartSdkPath = "C:\tools\dart-sdk\bin"
-          echo "::add-path::$dartSdkPath"
+          $dartSdkPath = "C:\\tools\\dart-sdk\\bin"
+          echo $dartSdkPath | Out-File -FilePath $env:GITHUB_PATH -Encoding utf8 -Append
       - name: Dart version
         run: dart --version
       - name: Install dependencies
diff --git a/.github/workflows/unit_tests.yaml b/.github/workflows/unit_tests.yaml
index 198f4744..f1d52049 100644
--- a/.github/workflows/unit_tests.yaml
+++ b/.github/workflows/unit_tests.yaml
@@ -31,8 +31,8 @@ jobs:
       - name: Add Dart SDK to PATH
         shell: powershell
         run: |
-          $dartSdkPath = "C:\tools\dart-sdk\bin"
-          echo "::add-path::$dartSdkPath"
+          $dartSdkPath = "C:\\tools\\dart-sdk\\bin"
+          echo $dartSdkPath | Out-File -FilePath $env:GITHUB_PATH -Encoding utf8 -Append
       - uses: actions/checkout@v1
       - name: Install dependencies sidekick_core
         run: cd sidekick_core && dart pub get --no-precompile