diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 54f5937..7a9ba53 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -30,9 +30,6 @@ jobs:
       with:
         submodules: recursive
 
-    - name: Install ancient PHPUnit
-      run: composer require --dev --ignore-platform-reqs phpunit/phpunit "4.8.36"
-
     - name: Install dependencies
       run: composer update --no-interaction