diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
index 67ebaa52..bf7f813d 100644
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker.yml
@@ -28,10 +28,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os:
-          - ubuntu-latest
-          - macos-latest
-          #- windows-latest    # XXX: Docker is not supported on Windows!
+        os: [ubuntu-latest, macos-latest]  # XXX: `windows-latest` is not possible at the moment!
         emacs-version:
           - 29.1
 
@@ -42,6 +39,9 @@ jobs:
 
     - uses: actions/checkout@v4
 
+    - name: Install Docker
+      uses: crazy-max/ghaction-setup-docker@master
+
     - name: Prepare Eask (Unix)
       if: matrix.os == 'ubuntu-latest' || matrix.os == 'macos-latest'
       run: |