diff --git a/.github/workflows/mutation-tests.yml b/.github/workflows/mutation-tests.yml
new file mode 100644
index 0000000..7e0c24d
--- /dev/null
+++ b/.github/workflows/mutation-tests.yml
@@ -0,0 +1,59 @@
+# https://help.github.com/en/categories/automating-your-workflow-with-github-actions
+
+name: "Mutation tests"
+
+on:
+  pull_request:
+  push:
+    branches:
+      - "master"
+
+jobs:
+  mutation-tests:
+    name: "Mutation tests"
+
+    runs-on: ${{ matrix.operating-system }}
+
+    strategy:
+      matrix:
+        dependencies:
+          - "locked"
+        php-version:
+          - "7.4"
+        operating-system:
+          - "ubuntu-latest"
+
+    steps:
+      - name: "Checkout"
+        uses: "actions/checkout@v2"
+
+      - name: "Install PHP"
+        uses: "shivammathur/setup-php@v2"
+        with:
+          coverage: "pcov"
+          php-version: "${{ matrix.php-version }}"
+          ini-values: memory_limit=-1
+
+      - name: "Cache dependencies"
+        uses: "actions/cache@v2"
+        with:
+          path: |
+            ~/.composer/cache
+            vendor
+          key: "php-${{ matrix.php-version }}-${{ matrix.dependencies }}"
+          restore-keys: "php-${{ matrix.php-version }}-${{ matrix.dependencies }}"
+
+      - name: "Install lowest dependencies"
+        if: ${{ matrix.dependencies == 'lowest' }}
+        run: "composer update --prefer-lowest --no-interaction --no-progress --no-suggest"
+
+      - name: "Install highest dependencies"
+        if: ${{ matrix.dependencies == 'highest' }}
+        run: "composer update --no-interaction --no-progress --no-suggest"
+
+      - name: "Install locked dependencies"
+        if: ${{ matrix.dependencies == 'locked' }}
+        run: "composer install --no-interaction --no-progress --no-suggest"
+
+      - name: "Infection"
+        run: "vendor/bin/infection"
diff --git a/.github/workflows/phpunit.yml b/.github/workflows/phpunit.yml
new file mode 100644
index 0000000..335fbd2
--- /dev/null
+++ b/.github/workflows/phpunit.yml
@@ -0,0 +1,62 @@
+# https://help.github.com/en/categories/automating-your-workflow-with-github-actions
+
+name: "PHPUnit tests"
+
+on:
+  pull_request:
+  push:
+    branches:
+      - "master"
+
+jobs:
+  phpunit:
+    name: "PHPUnit tests"
+
+    runs-on: ${{ matrix.operating-system }}
+
+    strategy:
+      matrix:
+        dependencies:
+          - "lowest"
+          - "highest"
+          - "locked"
+        php-version:
+          - "7.4"
+        operating-system:
+          - "ubuntu-latest"
+          - "windows-latest"
+
+    steps:
+      - name: "Checkout"
+        uses: "actions/checkout@v2"
+
+      - name: "Install PHP"
+        uses: "shivammathur/setup-php@v2"
+        with:
+          coverage: "pcov"
+          php-version: "${{ matrix.php-version }}"
+          ini-values: memory_limit=-1
+
+      - name: "Cache dependencies"
+        uses: "actions/cache@v2"
+        with:
+          path: |
+            ~/.composer/cache
+            vendor
+          key: "php-${{ matrix.php-version }}-${{ matrix.dependencies }}"
+          restore-keys: "php-${{ matrix.php-version }}-${{ matrix.dependencies }}"
+
+      - name: "Install lowest dependencies"
+        if: ${{ matrix.dependencies == 'lowest' }}
+        run: "composer update --prefer-lowest --no-interaction --no-progress --no-suggest"
+
+      - name: "Install highest dependencies"
+        if: ${{ matrix.dependencies == 'highest' }}
+        run: "composer update --no-interaction --no-progress --no-suggest"
+
+      - name: "Install locked dependencies"
+        if: ${{ matrix.dependencies == 'locked' }}
+        run: "composer install --no-interaction --no-progress --no-suggest"
+
+      - name: "Tests"
+        run: "vendor/bin/phpunit"
diff --git a/.github/workflows/release-on-milestone-closed-triggering-release-event.yml b/.github/workflows/release-on-milestone-closed-triggering-release-event.yml
new file mode 100644
index 0000000..2d88c94
--- /dev/null
+++ b/.github/workflows/release-on-milestone-closed-triggering-release-event.yml
@@ -0,0 +1,61 @@
+# Alternate workflow example.
+# This one is identical to the one in release-on-milestone.yml, with one change:
+# the Release step uses the ORGANIZATION_ADMIN_TOKEN instead, to allow it to
+# trigger a release workflow event. This is useful if you have other actions
+# that intercept that event.
+
+name: "Automatic Releases"
+
+on:
+  milestone:
+    types:
+      - "closed"
+
+jobs:
+  release:
+    name: "GIT tag, release & create merge-up PR"
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: "Checkout"
+        uses: "actions/checkout@v2"
+
+      - name: "Release"
+        uses: "laminas/automatic-releases@v1"
+        with:
+          command-name: "laminas:automatic-releases:release"
+        env:
+          "GITHUB_TOKEN": ${{ secrets.ORGANIZATION_ADMIN_TOKEN }}
+          "SIGNING_SECRET_KEY": ${{ secrets.SIGNING_SECRET_KEY }}
+          "GIT_AUTHOR_NAME": ${{ secrets.GIT_AUTHOR_NAME }}
+          "GIT_AUTHOR_EMAIL": ${{ secrets.GIT_AUTHOR_EMAIL }}
+
+      - name: "Create Merge-Up Pull Request"
+        uses: "laminas/automatic-releases@v1"
+        with:
+          command-name: "laminas:automatic-releases:create-merge-up-pull-request"
+        env:
+          "GITHUB_TOKEN": ${{ secrets.GITHUB_TOKEN }}
+          "SIGNING_SECRET_KEY": ${{ secrets.SIGNING_SECRET_KEY }}
+          "GIT_AUTHOR_NAME": ${{ secrets.GIT_AUTHOR_NAME }}
+          "GIT_AUTHOR_EMAIL": ${{ secrets.GIT_AUTHOR_EMAIL }}
+
+      - name: "Create and/or Switch to new Release Branch"
+        uses: "laminas/automatic-releases@v1"
+        with:
+          command-name: "laminas:automatic-releases:switch-default-branch-to-next-minor"
+        env:
+          "GITHUB_TOKEN": ${{ secrets.ORGANIZATION_ADMIN_TOKEN }}
+          "SIGNING_SECRET_KEY": ${{ secrets.SIGNING_SECRET_KEY }}
+          "GIT_AUTHOR_NAME": ${{ secrets.GIT_AUTHOR_NAME }}
+          "GIT_AUTHOR_EMAIL": ${{ secrets.GIT_AUTHOR_EMAIL }}
+
+      - name: "Create new milestones"
+        uses: "laminas/automatic-releases@v1"
+        with:
+          command-name: "laminas:automatic-releases:create-milestones"
+        env:
+          "GITHUB_TOKEN": ${{ secrets.GITHUB_TOKEN }}
+          "SIGNING_SECRET_KEY": ${{ secrets.SIGNING_SECRET_KEY }}
+          "GIT_AUTHOR_NAME": ${{ secrets.GIT_AUTHOR_NAME }}
+          "GIT_AUTHOR_EMAIL": ${{ secrets.GIT_AUTHOR_EMAIL }}
diff --git a/.scrutinizer.yml b/.scrutinizer.yml
deleted file mode 100644
index 7c2921a..0000000
--- a/.scrutinizer.yml
+++ /dev/null
@@ -1,10 +0,0 @@
-inherit: true
-
-before_commands:
-    - "composer install --prefer-source"
-
-tools:
-    external_code_coverage:
-        enabled: true
-        timeout: 600
-        runs: 1
diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index 0333b55..0000000
--- a/.travis.yml
+++ /dev/null
@@ -1,43 +0,0 @@
-language: php
-
-php:
-  - 7.2
-  - 7.3
-  - 7.4
-
-env:
-  matrix:
-    - COMPOSER_FLAGS=""
-    - COMPOSER_FLAGS="--prefer-lowest"
-
-stages:
-  - test
-  - test with coverage
-  - infection
-
-before_install: phpenv config-rm xdebug.ini || echo "xdebug not available"
-
-install: travis_retry composer update --optimize-autoloader --prefer-dist --prefer-stable --no-progress --no-interaction --no-suggest $COMPOSER_FLAGS -vv
-
-script: vendor/bin/phpunit --colors --no-coverage
-
-jobs:
-  allow_failures:
-    - php: nightly
-  include:
-    - php: nightly
-      env: COMPOSER_FLAGS="--ignore-platform-reqs"
-
-    - stage: test with coverage
-      php: 7.3
-      env: COMPOSER_FLAGS=""
-      before_install: skip
-      script: vendor/bin/phpunit --colors --coverage-clover=clover.xml --coverage-text
-      after_success:
-        - wget https://scrutinizer-ci.com/ocular.phar; php ocular.phar code-coverage:upload --format=php-clover clover.xml
-
-    - stage: infection
-      php: 7.3
-      env: COMPOSER_FLAGS=""
-      before_install: skip
-      script: vendor/bin/infection --log-verbosity=none --threads=4 --min-covered-msi=68 --min-msi=68
diff --git a/composer.json b/composer.json
index 0a73bf3..e86328c 100644
--- a/composer.json
+++ b/composer.json
@@ -3,14 +3,14 @@
     "description": "Doctrine Cache adapter for PSR-16 Simple Cache",
     "type": "library",
     "require": {
-        "php": "^7.2,<7.5",
+        "php": "^7.4 || ~8.0.0",
         "doctrine/cache": "^1.7",
         "psr/simple-cache": "^1.0"
     },
     "require-dev": {
         "cache/integration-tests": "dev-master",
         "cache/tag-interop": "dev-master",
-        "infection/infection": "^0.14.2",
+        "infection/infection": "^0.20.0",
         "phpunit/phpunit": "^8.4",
         "symfony/console": "^4.3",
         "symfony/phpunit-bridge": "^4.4@dev"
diff --git a/infection.json.dist b/infection.json.dist
index 5925b32..1f79a8a 100644
--- a/infection.json.dist
+++ b/infection.json.dist
@@ -4,12 +4,15 @@
             "src"
         ]
     },
-    "timeout": 10,
     "logs": {
-        "text": "infection-log.txt"
+        "text": "php:\/\/stderr",
+        "badge": {
+            "branch": "master"
+        }
     },
-    "phpUnit": {
-        "configDir": ".",
-        "customPath": "vendor/bin/phpunit"
-    }
+    "mutators": {
+        "@default": true
+    },
+    "minMsi": 81,
+    "minCoveredMsi": 81
 }