diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 4d7463f..c64dde1 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -32,11 +32,16 @@ jobs:
         with:
           python-version: ${{ matrix.python-version }}
 
-      - name: Install uv installer
+      - name: Install uv installer on Unix
+        if: runner.os != 'Windows'
         run: curl -LsSf https://astral.sh/uv/install.sh | sh
 
+      - name: Install uv installer on Windows
+        if: runner.os == 'Windows'
+        run: powershell -c "irm https://astral.sh/uv/install.ps1 | iex"
+
       - name: Install package
-        run: uv pip install --system "harmonwig @ .[dev]"
+        run: uv pip install --system "harmonwig[dev] @ ."
 
       - name: Test package
         run: pytest -ra --cov --cov-report=xml --cov-report=term