diff --git a/composer.json b/composer.json
index 56e603a6..df05773f 100644
--- a/composer.json
+++ b/composer.json
@@ -44,7 +44,7 @@
     "rector/rector": "~0.18.13",
     "roave/backward-compatibility-check": "^8.6.0",
     "symfony/filesystem": "^6.4.0",
-    "vimeo/psalm": "^5.19.1"
+    "vimeo/psalm": "^5.20.0"
   },
   "minimum-stability": "dev",
   "prefer-stable": true,
diff --git a/composer.lock b/composer.lock
index 5c52f75a..01841ffd 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "5f7530987ed61430f4ecee0c04ce9787",
+    "content-hash": "9ac3959466f88b9fb3eb219e97412705",
     "packages": [
         {
             "name": "ergebnis/json",
@@ -7178,16 +7178,16 @@
         },
         {
             "name": "vimeo/psalm",
-            "version": "5.19.1",
+            "version": "5.20.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/vimeo/psalm.git",
-                "reference": "b9583493b08eb36259c0f6b746a787c4c9b3ac45"
+                "reference": "3f284e96c9d9be6fe6b15c79416e1d1903dcfef4"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/vimeo/psalm/zipball/b9583493b08eb36259c0f6b746a787c4c9b3ac45",
-                "reference": "b9583493b08eb36259c0f6b746a787c4c9b3ac45",
+                "url": "https://api.github.com/repos/vimeo/psalm/zipball/3f284e96c9d9be6fe6b15c79416e1d1903dcfef4",
+                "reference": "3f284e96c9d9be6fe6b15c79416e1d1903dcfef4",
                 "shasum": ""
             },
             "require": {
@@ -7284,7 +7284,7 @@
                 "issues": "https://github.com/vimeo/psalm/issues",
                 "source": "https://github.com/vimeo/psalm"
             },
-            "time": "2024-01-14T22:41:50+00:00"
+            "time": "2024-01-18T12:15:06+00:00"
         },
         {
             "name": "webmozart/assert",