diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 7e489db..8f83b78 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -17,7 +17,7 @@ jobs:
           python-version: '3.x'
       - name: Install the SFML.
         run: sudo apt-get update &&
-            sudo apt-get install --yes libsfml-dev
+            sudo apt-get install --yes libsfml-dev qt5-default
       - name: Install Criterion
         run: sudo add-apt-repository ppa:snaipewastaken/ppa &&
           sudo apt-get update &&