diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index a2ea74d..16941f9 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: Validate composer.json and composer.lock
       run: composer validate --strict
diff --git a/composer.lock b/composer.lock
index 41c05e1..e37b012 100644
--- a/composer.lock
+++ b/composer.lock
@@ -9,16 +9,16 @@
     "packages-dev": [
         {
             "name": "phpstan/phpstan",
-            "version": "1.10.46",
+            "version": "1.10.47",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpstan/phpstan.git",
-                "reference": "90d3d25c5b98b8068916bbf08ce42d5cb6c54e70"
+                "reference": "84dbb33b520ea28b6cf5676a3941f4bae1c1ff39"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/90d3d25c5b98b8068916bbf08ce42d5cb6c54e70",
-                "reference": "90d3d25c5b98b8068916bbf08ce42d5cb6c54e70",
+                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/84dbb33b520ea28b6cf5676a3941f4bae1c1ff39",
+                "reference": "84dbb33b520ea28b6cf5676a3941f4bae1c1ff39",
                 "shasum": ""
             },
             "require": {
@@ -67,7 +67,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2023-11-28T14:57:26+00:00"
+            "time": "2023-12-01T15:19:17+00:00"
         },
         {
             "name": "phpstan/phpstan-strict-rules",
@@ -193,5 +193,5 @@
         "ext-tokenizer": "*",
         "ext-xmlwriter": "*"
     },
-    "plugin-api-version": "2.6.0"
+    "plugin-api-version": "2.3.0"
 }