diff --git a/.github/workflows/integrate.yaml b/.github/workflows/integrate.yaml
index 75bdbc8..f5119cc 100644
--- a/.github/workflows/integrate.yaml
+++ b/.github/workflows/integrate.yaml
@@ -24,7 +24,7 @@ jobs:
 
     steps:
       - name: "Checkout"
-        uses: "actions/checkout@v4.1.1"
+        uses: "actions/checkout@v4.2.2"
 
       - name: "Lint YAML files"
         uses: "ibiqlik/action-yamllint@v3.1"
@@ -34,7 +34,7 @@ jobs:
           strict: true
 
       - name: "Install PHP with extensions"
-        uses: "shivammathur/setup-php@2.29.0"
+        uses: "shivammathur/setup-php@2.31.1"
         with:
           coverage: "none"
           php-version: "${{ matrix.php-version }}"
@@ -81,10 +81,10 @@ jobs:
 
     steps:
       - name: "Checkout"
-        uses: "actions/checkout@v4.1.1"
+        uses: "actions/checkout@v4.2.2"
 
       - name: "Install PHP with extensions"
-        uses: "shivammathur/setup-php@2.29.0"
+        uses: "shivammathur/setup-php@2.31.1"
         with:
           coverage: "none"
           php-version: "${{ matrix.php-version }}"
@@ -115,10 +115,10 @@ jobs:
 
     steps:
       - name: "Checkout"
-        uses: "actions/checkout@v4.1.1"
+        uses: "actions/checkout@v4.2.2"
 
       - name: "Install PHP with extensions"
-        uses: "shivammathur/setup-php@2.29.0"
+        uses: "shivammathur/setup-php@2.31.1"
         with:
           coverage: "none"
           php-version: "${{ matrix.php-version }}"
@@ -176,10 +176,10 @@ jobs:
 
     steps:
       - name: "Checkout"
-        uses: "actions/checkout@v4.1.1"
+        uses: "actions/checkout@v4.2.2"
 
       - name: "Install PHP with extensions"
-        uses: "shivammathur/setup-php@2.29.0"
+        uses: "shivammathur/setup-php@2.31.1"
         with:
           coverage: "none"
           php-version: "${{ matrix.php-version }}"
@@ -216,10 +216,10 @@ jobs:
 
     steps:
       - name: "Checkout"
-        uses: "actions/checkout@v4.1.1"
+        uses: "actions/checkout@v4.2.2"
 
       - name: "Install PHP with extensions"
-        uses: "shivammathur/setup-php@2.29.0"
+        uses: "shivammathur/setup-php@2.31.1"
         with:
           coverage: "xdebug"
           php-version: "${{ matrix.php-version }}"
@@ -261,10 +261,10 @@ jobs:
 
     steps:
       - name: "Checkout"
-        uses: "actions/checkout@v4.1.1"
+        uses: "actions/checkout@v4.2.2"
 
       - name: "Install PHP with extensions"
-        uses: "shivammathur/setup-php@2.29.0"
+        uses: "shivammathur/setup-php@2.31.1"
         with:
           coverage: "xdebug"
           php-version: "${{ matrix.php-version }}"
diff --git a/.github/workflows/merge-renovate-upgrades.yaml b/.github/workflows/merge-renovate-upgrades.yaml
index 7c8a7b1..efb60cc 100644
--- a/.github/workflows/merge-renovate-upgrades.yaml
+++ b/.github/workflows/merge-renovate-upgrades.yaml
@@ -19,7 +19,7 @@ jobs:
     steps:
       - name: "Auto-Merge"
         if: "${{ github.event.workflow_run.conclusion == 'success' }}"
-        uses: "ridedott/merge-me-action@v2.10.66"
+        uses: "ridedott/merge-me-action@v2.10.111"
         with:
           GITHUB_LOGIN: "renovate"
           GITHUB_TOKEN: "${{ secrets.LCTRS_BOT_TOKEN }}"
diff --git a/.github/workflows/renew.yaml b/.github/workflows/renew.yaml
index 82c949e..f6b7203 100644
--- a/.github/workflows/renew.yaml
+++ b/.github/workflows/renew.yaml
@@ -22,12 +22,12 @@ jobs:
 
     steps:
       - name: "Checkout"
-        uses: "actions/checkout@v4.1.1"
+        uses: "actions/checkout@v4.2.2"
         with:
           token: "${{ secrets.LCTRS_BOT_TOKEN }}"
 
       - name: "Install PHP with extensions"
-        uses: "shivammathur/setup-php@2.29.0"
+        uses: "shivammathur/setup-php@2.31.1"
         with:
           coverage: "none"
           php-version: "${{ matrix.php-version }}"
@@ -44,7 +44,7 @@ jobs:
         run: "php update-license.php"
 
       - name: "Commit modified files"
-        uses: "stefanzweifel/git-auto-commit-action@v5.0.0"
+        uses: "stefanzweifel/git-auto-commit-action@v5.0.1"
         with:
           commit_author: "lctrs-bot <bot@prmntr.me>"
           commit_message: "license: update year"
diff --git a/composer.json b/composer.json
index 7a68703..89b989c 100644
--- a/composer.json
+++ b/composer.json
@@ -22,22 +22,22 @@
     "source": "https://github.com/Lctrs/circular-buffer"
   },
   "require": {
-    "php": "~8.0.2 || ~8.1.0 || ~8.2.0"
+    "php": "~8.0.2 || ~8.1.0 || ~8.2.0 || ~8.4.0"
   },
   "require-dev": {
     "doctrine/coding-standard": "12.0.0",
-    "ergebnis/composer-normalize": "2.31.0",
-    "ergebnis/license": "2.4.0",
+    "ergebnis/composer-normalize": "2.45.0",
+    "ergebnis/license": "2.6.0",
     "infection/infection": "0.26.19",
     "maglnet/composer-require-checker": "4.4.0",
-    "phpstan/extension-installer": "1.3.1",
-    "phpstan/phpstan": "1.10.57",
-    "phpstan/phpstan-deprecation-rules": "1.1.4",
-    "phpstan/phpstan-phpunit": "1.3.15",
-    "phpstan/phpstan-strict-rules": "1.5.2",
-    "phpunit/phpunit": "9.6.16",
-    "psalm/plugin-phpunit": "0.18.4",
-    "vimeo/psalm": "5.20.0"
+    "phpstan/extension-installer": "1.4.3",
+    "phpstan/phpstan": "1.12.12",
+    "phpstan/phpstan-deprecation-rules": "1.2.1",
+    "phpstan/phpstan-phpunit": "1.4.1",
+    "phpstan/phpstan-strict-rules": "1.6.1",
+    "phpunit/phpunit": "9.6.22",
+    "psalm/plugin-phpunit": "0.19.0",
+    "vimeo/psalm": "5.26.1"
   },
   "autoload": {
     "psr-4": {