diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 33e1e35..6d77160 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -161,45 +161,3 @@ jobs:
 
             -   name: Run script
                 run: vendor/bin/psalm --output-format=github
-
-    infection:
-        name: Infection
-        runs-on: ubuntu-latest
-        services:
-            nsqd:
-                image: nsqio/nsq:v1.2.0
-                options: --entrypoint /nsqd
-                ports:
-                    - 4150:4150
-        steps:
-            -   name: Checkout
-                uses: actions/checkout@v2
-
-            -   name: Setup PHP
-                uses: shivammathur/setup-php@v2
-                with:
-                    php-version: '8.1'
-                    coverage: pcov
-                env:
-                    update: true
-
-            -   name: Get composer cache directory
-                id: composer-cache
-                run: echo "::set-output name=dir::$(composer config cache-files-dir)"
-
-            -   name: Cache dependencies
-                uses: actions/cache@v2
-                with:
-                    path: ${{ steps.composer-cache.outputs.dir }}
-                    key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.json') }}
-                    restore-keys: ${{ runner.os }}-composer-
-
-            -   name: Install dependencies
-                run: composer update --no-progress --no-interaction --prefer-dist
-
-            -   name: Run script
-                env:
-                    STRYKER_DASHBOARD_API_KEY: ${{ secrets.STRYKER_DASHBOARD_API_KEY }}
-                run: |
-                    git fetch --depth=1 origin $GITHUB_BASE_REF
-                    php vendor/bin/infection -j2 --git-diff-filter=A --git-diff-base=origin/$GITHUB_BASE_REF --logger-github --ignore-msi-with-no-mutations --only-covered
diff --git a/composer.json b/composer.json
index 924f763..d66a049 100644
--- a/composer.json
+++ b/composer.json
@@ -21,9 +21,9 @@
     },
     "require-dev": {
         "amphp/log": "^1.1",
+        "dg/bypass-finals": "^1.3",
         "ergebnis/composer-normalize": "^2.15",
         "friendsofphp/php-cs-fixer": "^3.4",
-        "infection/infection": "^0.26.13",
         "nyholm/nsa": "^1.2",
         "phpstan/phpstan": "^1.8",
         "phpstan/phpstan-phpunit": "^1.1",