diff --git a/composer.json b/composer.json
index d24a233a..07385f89 100644
--- a/composer.json
+++ b/composer.json
@@ -27,7 +27,7 @@
     "phpstan/phpstan-strict-rules": "~0.12.1",
     "phpunit/phpunit": "^7.5.19",
     "psalm/plugin-phpunit": "~0.8.0",
-    "vimeo/psalm": "^3.8.1",
+    "vimeo/psalm": "^3.8.2",
     "zendframework/zend-file": "^2.8.3"
   },
   "config": {
diff --git a/composer.lock b/composer.lock
index 1944eaa2..2d089e39 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": "87027a28bbabd260123f9cbf09f8f8d6",
+    "content-hash": "6369a5ac483ac04486ae5ed03b57ffc9",
     "packages": [],
     "packages-dev": [
         {
@@ -4974,16 +4974,16 @@
         },
         {
             "name": "vimeo/psalm",
-            "version": "3.8.1",
+            "version": "3.8.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/vimeo/psalm.git",
-                "reference": "8e54e3aa060fc490d86d0e2abbf62750516d40fd"
+                "reference": "90d6b73fd8062432030ef39b7b6694b3902daa31"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/vimeo/psalm/zipball/8e54e3aa060fc490d86d0e2abbf62750516d40fd",
-                "reference": "8e54e3aa060fc490d86d0e2abbf62750516d40fd",
+                "url": "https://api.github.com/repos/vimeo/psalm/zipball/90d6b73fd8062432030ef39b7b6694b3902daa31",
+                "reference": "90d6b73fd8062432030ef39b7b6694b3902daa31",
                 "shasum": ""
             },
             "require": {
@@ -4991,6 +4991,10 @@
                 "amphp/byte-stream": "^1.5",
                 "composer/xdebug-handler": "^1.1",
                 "ext-dom": "*",
+                "ext-json": "*",
+                "ext-libxml": "*",
+                "ext-simplexml": "*",
+                "ext-tokenizer": "*",
                 "felixfbecker/advanced-json-rpc": "^3.0.3",
                 "felixfbecker/language-server-protocol": "^1.4",
                 "netresearch/jsonmapper": "^1.0",
@@ -5061,7 +5065,7 @@
                 "inspection",
                 "php"
             ],
-            "time": "2019-12-29T16:11:07+00:00"
+            "time": "2020-01-07T13:50:31+00:00"
         },
         {
             "name": "webmozart/assert",