diff --git a/composer.json b/composer.json
index d80a086..c4ccf30 100644
--- a/composer.json
+++ b/composer.json
@@ -33,7 +33,7 @@
     "phpstan/phpstan-strict-rules": "~0.12.2",
     "phpunit/phpunit": "^8.5.3",
     "psalm/plugin-phpunit": "~0.10.0",
-    "vimeo/psalm": "^3.11.0"
+    "vimeo/psalm": "^3.11.1"
   },
   "config": {
     "platform": {
diff --git a/composer.lock b/composer.lock
index a10d5b0..0b6e673 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": "e9de3311bcb5f7e2973a93e9d3b309f8",
+    "content-hash": "ae54a65f1d522fda19b6dd4661c5af5a",
     "packages": [
         {
             "name": "fzaninotto/faker",
@@ -4542,16 +4542,16 @@
         },
         {
             "name": "vimeo/psalm",
-            "version": "3.11.0",
+            "version": "3.11.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/vimeo/psalm.git",
-                "reference": "5bc9b095d1a6f1a2e0890353fc2c6cd7de62371d"
+                "reference": "8533b866ab1a46e5a69a4692ff57f10529dbfbeb"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/vimeo/psalm/zipball/5bc9b095d1a6f1a2e0890353fc2c6cd7de62371d",
-                "reference": "5bc9b095d1a6f1a2e0890353fc2c6cd7de62371d",
+                "url": "https://api.github.com/repos/vimeo/psalm/zipball/8533b866ab1a46e5a69a4692ff57f10529dbfbeb",
+                "reference": "8533b866ab1a46e5a69a4692ff57f10529dbfbeb",
                 "shasum": ""
             },
             "require": {
@@ -4636,7 +4636,7 @@
                 "inspection",
                 "php"
             ],
-            "time": "2020-04-12T18:43:12+00:00"
+            "time": "2020-04-13T02:19:49+00:00"
         },
         {
             "name": "webmozart/assert",