diff --git a/.github/workflows/continuous-integration.yml b/.github/workflows/continuous-integration.yml
index 181bf27..5563f30 100644
--- a/.github/workflows/continuous-integration.yml
+++ b/.github/workflows/continuous-integration.yml
@@ -6,8 +6,8 @@ on:
   pull_request:
     paths-ignore: ["**.md"]
 
-env:
-  COMPOSER_FLAGS: --ansi --no-interaction --no-progress --prefer-dist
+permissions:
+  contents: read
 
 jobs:
   tests:
@@ -40,29 +40,16 @@ jobs:
             experimental: true
 
     steps:
-      - name: Checkout
-        uses: actions/checkout@v4
+      - uses: actions/checkout@v4
 
-      - name: Install PHP
-        uses: shivammathur/setup-php@v2
+      - uses: shivammathur/setup-php@v2
         with:
-          coverage: none
-          php-version: ${{ matrix.php-version }}
+          php-version: "${{ matrix.php-version }}"
+          coverage: xdebug
 
-      - name: Get composer cache directory
-        id: composercache
-        shell: bash
-        run: echo "dir=$(composer config cache-files-dir)" >> $GITHUB_OUTPUT
-
-      - name: Restore cached dependencies
-        uses: actions/cache@v4
+      - uses: ramsey/composer-install@v3
         with:
-          path: ${{ steps.composercache.outputs.dir }}
-          key: php-${{ matrix.php-version }}-composer-${{ hashFiles('**/composer.json') }}
-          restore-keys: php-${{ matrix.php-version }}-composer-
-
-      - name: Install latest dependencies
-        run: composer update ${{ env.COMPOSER_FLAGS }}
+          dependency-versions: highest
 
       - name: Run tests
         if: ${{ !matrix.experimental }}
diff --git a/.github/workflows/functional.yml b/.github/workflows/functional.yml
index 6e579f1..47b6442 100644
--- a/.github/workflows/functional.yml
+++ b/.github/workflows/functional.yml
@@ -6,8 +6,8 @@ on:
   pull_request:
     paths-ignore: ["**.md"]
 
-env:
-  COMPOSER_FLAGS: --ansi --no-interaction --no-progress --prefer-dist
+permissions:
+  contents: read
 
 jobs:
   tests:
@@ -35,29 +35,16 @@ jobs:
             experimental: true
 
     steps:
-      - name: Checkout
-        uses: actions/checkout@v4
+      - uses: actions/checkout@v4
 
-      - name: Install PHP
-        uses: shivammathur/setup-php@v2
+      - uses: shivammathur/setup-php@v2
         with:
-          coverage: xdebug
-          php-version: ${{ matrix.php-version }}
+          php-version: "${{ matrix.php-version }}"
+          coverage: none
 
-      - name: Get composer cache directory
-        id: composercache
-        shell: bash
-        run: echo "dir=$(composer config cache-files-dir)" >> $GITHUB_OUTPUT
-
-      - name: Restore cached dependencies
-        uses: actions/cache@v4
+      - uses: ramsey/composer-install@v3
         with:
-          path: ${{ steps.composercache.outputs.dir }}
-          key: php-${{ matrix.php-version }}-composer-${{ hashFiles('**/composer.json') }}
-          restore-keys: php-${{ matrix.php-version }}-composer-
-
-      - name: Install latest dependencies
-        run: composer update ${{ env.COMPOSER_FLAGS }}
+          dependency-versions: highest
 
       - name: Run tests
         if: ${{ !matrix.experimental }}
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index f8a83dc..3071c10 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -6,9 +6,12 @@ on:
   pull_request:
     paths-ignore: ["**.md"]
 
+permissions:
+  contents: read
+
 jobs:
   tests:
-    name: Lint
+    name: "Lint"
 
     runs-on: ubuntu-latest
 
@@ -16,17 +19,27 @@ jobs:
       matrix:
         php-version:
           - "7.2"
-          - "latest"
+          - "nightly"
 
     steps:
-      - name: Checkout
-        uses: actions/checkout@v4
+      - uses: actions/checkout@v4
 
-      - name: Install PHP
-        uses: shivammathur/setup-php@v2
+      - uses: shivammathur/setup-php@v2
         with:
+          php-version: "${{ matrix.php-version }}"
           coverage: none
-          php-version: ${{ matrix.php-version }}
 
-      - name: Lint PHP files
-        run: "find src/ -type f -name '*.php' -print0 | xargs -0 -L1 -P4 -- php -l -f"
+      - name: "Lint PHP files"
+        run: |
+          hasErrors=0
+          for f in $(find src/ tests/ -type f -name '*.php' ! -path '*/vendor/*' ! -path '*/Fixtures/*')
+          do
+            { error="$(php -derror_reporting=-1 -ddisplay_errors=1 -l -f $f 2>&1 1>&3 3>&-)"; } 3>&1;
+            if [ "$error" != "" ]; then
+              while IFS= read -r line; do echo "::error file=$f::$line"; done <<< "$error"
+              hasErrors=1
+            fi
+          done
+          if [ $hasErrors -eq 1 ]; then
+            exit 1
+          fi
diff --git a/.github/workflows/phpstan.yml b/.github/workflows/phpstan.yml
index 5cec80a..8af542c 100644
--- a/.github/workflows/phpstan.yml
+++ b/.github/workflows/phpstan.yml
@@ -6,8 +6,8 @@ on:
   pull_request:
     paths-ignore: ["**.md"]
 
-env:
-  COMPOSER_FLAGS: --ansi --no-interaction --no-progress --prefer-dist
+permissions:
+  contents: read
 
 jobs:
   tests:
@@ -21,29 +21,16 @@ jobs:
           - "8.1"
 
     steps:
-      - name: Checkout
-        uses: actions/checkout@v4
+      - uses: actions/checkout@v4
 
-      - name: Install PHP
-        uses: shivammathur/setup-php@v2
+      - uses: shivammathur/setup-php@v2
         with:
+          php-version: "${{ matrix.php-version }}"
           coverage: none
-          php-version: ${{ matrix.php-version }}
 
-      - name: Get composer cache directory
-        id: composercache
-        shell: bash
-        run: echo "dir=$(composer config cache-files-dir)" >> $GITHUB_OUTPUT
-
-      - name: Restore cached dependencies
-        uses: actions/cache@v4
+      - uses: ramsey/composer-install@v3
         with:
-          path: ${{ steps.composercache.outputs.dir }}
-          key: php-${{ matrix.php-version }}-composer-${{ hashFiles('**/composer.json') }}
-          restore-keys: php-${{ matrix.php-version }}-composer
-
-      - name: Install latest dependencies
-        run: composer update ${{ env.COMPOSER_FLAGS }}
+          dependency-versions: highest
 
       - name: Run PHPStan
         run: vendor/bin/phpstan analyse
diff --git a/composer.json b/composer.json
index d205dc1..d87d7e3 100644
--- a/composer.json
+++ b/composer.json
@@ -23,7 +23,7 @@
         "composer/pcre": "^1 || ^2 || ^3"
     },
     "require-dev": {
-        "phpstan/phpstan": "^1.0",
+        "phpstan/phpstan": "^1.11",
         "phpstan/phpstan-strict-rules": "^1.1",
         "phpunit/phpunit": "^8.5 || ^9.6 || ^10.5"
     },
diff --git a/tests/App/Framework/Logger.php b/tests/App/Framework/Logger.php
index a0fb1b5..07b36b8 100644
--- a/tests/App/Framework/Logger.php
+++ b/tests/App/Framework/Logger.php
@@ -28,6 +28,7 @@ public function __construct(Output $output)
     /**
      * @inheritdoc
      * @phpstan-param mixed[]  $context
+     * @param string|\Stringable $message
      */
     public function log($level, $message, array $context = array()): void
     {
diff --git a/tests/App/Framework/Logs.php b/tests/App/Framework/Logs.php
index 148f671..4d4974a 100644
--- a/tests/App/Framework/Logs.php
+++ b/tests/App/Framework/Logs.php
@@ -31,7 +31,8 @@ public function __construct(array $outputLines)
         foreach ($outputLines as $line) {
             $line = trim($line);
 
-            if (!(bool) preg_match('/^(.+)\\[(\\d+)\\](.+)$/', $line, $matches)) {
+            // @phpstan-ignore booleanNot.exprNotBoolean
+            if (!preg_match('/^(.+)\\[(\\d+)\\](.+)$/', $line, $matches)) {
                 continue;
             }
 
diff --git a/tests/Helpers/Logger.php b/tests/Helpers/Logger.php
index d898921..5fadbd7 100644
--- a/tests/Helpers/Logger.php
+++ b/tests/Helpers/Logger.php
@@ -24,6 +24,7 @@ class Logger extends AbstractLogger
     /**
      * @inheritdoc
      * @phpstan-param mixed[]  $context
+     * @param string|\Stringable $message
      */
     public function log($level, $message, array $context = []): void
     {