diff --git a/.github/workflows/test-cm4mlops-wheel-macos.yml b/.github/workflows/test-cm4mlops-wheel-macos.yml
index c0e0f2eadd..a37395802a 100644
--- a/.github/workflows/test-cm4mlops-wheel-macos.yml
+++ b/.github/workflows/test-cm4mlops-wheel-macos.yml
@@ -28,9 +28,6 @@ jobs:
       with:
         python-version: ${{ matrix.python-version }}
 
-    - name: Install dependencies
-      run: |
-        NONINTERACTIVE=1 brew install python3 python3-pip python3-venv
 
     - name: Build the Python wheel
       run: |
diff --git a/.github/workflows/test-cm4mlops-wheel-windows.yml b/.github/workflows/test-cm4mlops-wheel-windows.yml
index 1ee2a4b4d2..d10c0cbbd2 100644
--- a/.github/workflows/test-cm4mlops-wheel-windows.yml
+++ b/.github/workflows/test-cm4mlops-wheel-windows.yml
@@ -35,5 +35,5 @@ jobs:
     - name: Build the Python wheel
       run: |
         python3 -m venv cm
-        . cm\bin\activate
+        cm\Scripts\activate.bat
         python3 -m pip install . -v