diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index f7d8a39..b924a7d 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -8,13 +8,12 @@ build:
   script:
     - black --check --diff blueprintcompiler tests
     - mypy --python-version=3.9 blueprintcompiler
-    - G_DEBUG=fatal-warnings coverage run -m unittest
+    - G_DEBUG=fatal-warnings xvfb-run coverage run -m unittest
     - coverage report
     - coverage html
     - coverage xml
     - meson _build -Ddocs=true --prefix=/usr
     - ninja -C _build
-    - ninja -C _build test
     - ninja -C _build install
     - ninja -C _build docs/en
     - git clone https://gitlab.gnome.org/jwestman/blueprint-regression-tests.git
diff --git a/build-aux/Dockerfile b/build-aux/Dockerfile
index e2c1081..c7841d9 100644
--- a/build-aux/Dockerfile
+++ b/build-aux/Dockerfile
@@ -1,7 +1,7 @@
 FROM fedora:latest
 
 RUN dnf install -y meson python3-pip gtk4-devel gobject-introspection-devel \
-	libadwaita-devel python3-devel python3-gobject git diffutils
+	libadwaita-devel python3-devel python3-gobject git diffutils xorg-x11-server-Xvfb
 RUN pip3 install furo mypy sphinx coverage black
 
 # The version on PyPI is very old and doesn't install. Use the upstream package registry instead.