diff --git a/composer.json b/composer.json
index e1f3e1cf..58f40856 100644
--- a/composer.json
+++ b/composer.json
@@ -42,7 +42,7 @@
         "phpstan/phpstan": "^1.10.57",
         "phpunit/phpunit": "^10.5.9",
         "roave/infection-static-analysis-plugin": "^1.34.0",
-        "vimeo/psalm": "^5.20.0"
+        "vimeo/psalm": "^5.21.1"
     },
     "config": {
         "optimize-autoloader": true,
diff --git a/composer.lock b/composer.lock
index 05eb9a4b..0d553158 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": "ef2688ee09f637ade22e6e3d93ad4add",
+    "content-hash": "d1951e93ab78d3e4a098b8a58fff0441",
     "packages": [
         {
             "name": "nikic/php-parser",
@@ -4942,16 +4942,16 @@
         },
         {
             "name": "vimeo/psalm",
-            "version": "5.21.0",
+            "version": "5.21.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/vimeo/psalm.git",
-                "reference": "04ba9358e3f7d14a9dc3edd4e814a9d51d8c637f"
+                "reference": "8c473e2437be8b6a8fd8f630f0f11a16b114c494"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/vimeo/psalm/zipball/04ba9358e3f7d14a9dc3edd4e814a9d51d8c637f",
-                "reference": "04ba9358e3f7d14a9dc3edd4e814a9d51d8c637f",
+                "url": "https://api.github.com/repos/vimeo/psalm/zipball/8c473e2437be8b6a8fd8f630f0f11a16b114c494",
+                "reference": "8c473e2437be8b6a8fd8f630f0f11a16b114c494",
                 "shasum": ""
             },
             "require": {
@@ -5048,7 +5048,7 @@
                 "issues": "https://github.com/vimeo/psalm/issues",
                 "source": "https://github.com/vimeo/psalm"
             },
-            "time": "2024-01-30T22:52:27+00:00"
+            "time": "2024-02-01T01:04:32+00:00"
         }
     ],
     "aliases": [],