diff --git a/.github/workflows/build_and_release.yml b/.github/workflows/build_and_release.yml
index aac6111..e7be696 100644
--- a/.github/workflows/build_and_release.yml
+++ b/.github/workflows/build_and_release.yml
@@ -114,7 +114,7 @@ jobs:
         run: |
           pip install uv --break-system-packages
           uv venv
-          . .venv/bin/activate.ps1
+          .venv\Scripts\activate
           uv pip install -r requirements_test.txt
           uv pip install dist/*-win_amd64.whl
           pytest