diff --git a/.github/workflows/continuous-integration.yml b/.github/workflows/continuous-integration.yml
index e001692..7869ced 100644
--- a/.github/workflows/continuous-integration.yml
+++ b/.github/workflows/continuous-integration.yml
@@ -4,8 +4,8 @@ on:
   - push
   - pull_request
 
-env:
-  COMPOSER_FLAGS: "--ansi --no-interaction"
+permissions:
+  contents: read
 
 jobs:
   tests:
@@ -15,42 +15,33 @@ jobs:
 
     strategy:
       matrix:
-        os: [ubuntu-latest]
         php-version:
           - "7.2"
           - "7.3"
           - "7.4"
           - "8.0"
           - "8.1"
+          - "8.2"
+          - "8.3"
+          - "8.4"
+        os: [ubuntu-latest]
         include:
-          - os: windows-latest
-            php-version: "7.4"
-          - os: windows-latest
-            php-version: "8.1"
+          - php-version: "7.4"
+            os: windows-latest
+          - php-version: "8.3"
+            os: windows-latest
 
     steps:
-      - name: "Checkout"
-        uses: "actions/checkout@v2"
+      - 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 }}"
+          coverage: none
 
-      - name: Get composer cache directory
-        id: composercache
-        run: "echo \"dir=$(composer config cache-files-dir)\" >> $GITHUB_OUTPUT"
-
-      - name: Cache dependencies
-        uses: actions/cache@v2
+      - uses: ramsey/composer-install@v3
         with:
-          path: ${{ steps.composercache.outputs.dir }}
-          key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.json') }}
-          restore-keys: ${{ runner.os }}-composer-
-
-      - name: "Install latest dependencies"
-        run: "composer update ${{ env.COMPOSER_FLAGS }}"
+          dependency-versions: highest
 
-      - name: "Run tests"
-        run: "php vendor/bin/phpunit"
+      - name: Run tests
+        run: composer test
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 8a717c8..f23abf1 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -1,8 +1,11 @@
 name: "PHP Lint"
 
 on:
-  push:
-  pull_request:
+  - push
+  - pull_request
+
+permissions:
+  contents: read
 
 jobs:
   tests:
@@ -14,17 +17,27 @@ jobs:
       matrix:
         php-version:
           - "7.2"
-          - "8.1"
+          - "nightly"
 
     steps:
-      - name: "Checkout"
-        uses: "actions/checkout@v2"
+      - 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 }}"
+          coverage: none
 
       - name: "Lint PHP files"
-        run: "find src/ -type f -name '*.php' -print0 | xargs -0 -L1 -P4 -- php -l -f"
+        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 ae682a9..b00ae8d 100644
--- a/.github/workflows/phpstan.yml
+++ b/.github/workflows/phpstan.yml
@@ -4,8 +4,8 @@ on:
   - push
   - pull_request
 
-env:
-  COMPOSER_FLAGS: "--ansi --no-interaction --no-progress --prefer-dist"
+permissions:
+  contents: read
 
 jobs:
   tests:
@@ -16,31 +16,20 @@ jobs:
     strategy:
       matrix:
         php-version:
-          - "8.1"
+          - "7.4"
+          - "8.3"
 
     steps:
-      - name: "Checkout"
-        uses: "actions/checkout@v2"
+      - 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 }}"
+          coverage: none
 
-      - name: Get composer cache directory
-        id: composercache
-        run: "echo \"dir=$(composer config cache-files-dir)\" >> $GITHUB_OUTPUT"
-
-      - name: Cache dependencies
-        uses: actions/cache@v2
+      - uses: ramsey/composer-install@v3
         with:
-          path: ${{ steps.composercache.outputs.dir }}
-          key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.json') }}
-          restore-keys: ${{ runner.os }}-composer-
-
-      - name: "Install latest dependencies"
-        run: "composer update ${{ env.COMPOSER_FLAGS }}"
+          dependency-versions: highest
 
       - name: Run PHPStan
         run: composer phpstan
diff --git a/composer.json b/composer.json
index cbbab08..28220c0 100644
--- a/composer.json
+++ b/composer.json
@@ -15,12 +15,12 @@
         "php": ">=7.2.0"
     },
     "require-dev": {
-        "phpunit/phpunit": "^7.5.20 || ^8.5.23",
-        "psr/log": "^1 || ^2 || ^3",
-        "phpstan/phpstan": "^1",
-        "phpstan/phpstan-phpunit": "^1",
-        "phpstan/phpstan-strict-rules": "^1.3",
-        "phpstan/phpstan-deprecation-rules": "^1.0"
+        "phpunit/phpunit": "^8.5.39",
+        "psr/log": "^1.1.4 || ^2 || ^3",
+        "phpstan/phpstan": "^1.11.11",
+        "phpstan/phpstan-phpunit": "^1.4",
+        "phpstan/phpstan-strict-rules": "^1.6",
+        "phpstan/phpstan-deprecation-rules": "^1.2"
     },
     "autoload": {
         "psr-4": { "Seld\\Signal\\": "src/" }