diff --git a/.github/workflows/tests-mongodb.yml b/.github/workflows/tests-mongodb.yml
index 1098e0c..ea7c421 100644
--- a/.github/workflows/tests-mongodb.yml
+++ b/.github/workflows/tests-mongodb.yml
@@ -54,8 +54,9 @@ jobs:
 
       - name: Install dependencies
         run: |
-          composer install --prefer-dist --no-dev
-          composer require --update-no-dev phpunit/phpunit:^$PHPUNIT_VERSION
+          composer remove alcaeus/mongo-php-adapter --no-update --dev
+          composer install --prefer-dist
+          composer require --dev phpunit/phpunit:^$PHPUNIT_VERSION
 
       - name: Install extensions
         run: ./install-extensions.sh