diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 6f740f20..e8733b0f 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -7,7 +7,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [ubuntu-latest, macos-latest] # (windows-latest) 2.x-dev is under development
+        os: [ubuntu-latest, macos-latest, windows-latest]
         php: ['8.1', '8.2']
         dependency-version: [prefer-lowest, prefer-stable]
         parallel: ['', '--parallel']
@@ -38,7 +38,7 @@ jobs:
 
     - name: Unit Tests
       run: test:parallel
-      if: ${{ false }}  # 2.x-dev is under development
+      if: ${{ false }}  # Parallel's not yet supported.
 
     - name: Integration Tests
       run: composer test:integration