diff --git a/composer.json b/composer.json
index 00cd1a11..8e29f94e 100644
--- a/composer.json
+++ b/composer.json
@@ -32,7 +32,7 @@
     "phpunit/phpunit": "^8.5.8",
     "psalm/plugin-phpunit": "~0.12.2",
     "symfony/filesystem": "^5.1.7",
-    "vimeo/psalm": "^3.17"
+    "vimeo/psalm": "^3.18"
   },
   "config": {
     "platform": {
diff --git a/composer.lock b/composer.lock
index 15046191..e68988fd 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": "7ced357c20151f25eb4d42055f0cf98a",
+    "content-hash": "a7cc6de6732d7cfd09d14f3c804792a2",
     "packages": [],
     "packages-dev": [
         {
@@ -5422,16 +5422,16 @@
         },
         {
             "name": "vimeo/psalm",
-            "version": "3.17.2",
+            "version": "3.18.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/vimeo/psalm.git",
-                "reference": "9e526d9cb569fe4631e6a737bbb7948d05596e3f"
+                "reference": "a463c894c4323e84121b5978867923efc6f8554a"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/vimeo/psalm/zipball/9e526d9cb569fe4631e6a737bbb7948d05596e3f",
-                "reference": "9e526d9cb569fe4631e6a737bbb7948d05596e3f",
+                "url": "https://api.github.com/repos/vimeo/psalm/zipball/a463c894c4323e84121b5978867923efc6f8554a",
+                "reference": "a463c894c4323e84121b5978867923efc6f8554a",
                 "shasum": ""
             },
             "require": {
@@ -5518,7 +5518,7 @@
                 "inspection",
                 "php"
             ],
-            "time": "2020-10-15T00:23:17+00:00"
+            "time": "2020-10-19T19:02:41+00:00"
         },
         {
             "name": "webmozart/assert",