diff --git a/composer.lock b/composer.lock
index 6be67ae..0ca6ba9 100644
--- a/composer.lock
+++ b/composer.lock
@@ -1470,16 +1470,16 @@
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+            "version": "v2.12.3",
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                 "url": "https://github.com/twigphp/Twig.git",
-                "reference": "d761fd1f1c6b867ae09a7d8119a6d95d06dc44ed"
+                "reference": "97b6311585cae66a26833b14b33785f5797f7d39"
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-                "url": "https://api.github.com/repos/twigphp/Twig/zipball/d761fd1f1c6b867ae09a7d8119a6d95d06dc44ed",
-                "reference": "d761fd1f1c6b867ae09a7d8119a6d95d06dc44ed",
+                "url": "https://api.github.com/repos/twigphp/Twig/zipball/97b6311585cae66a26833b14b33785f5797f7d39",
+                "reference": "97b6311585cae66a26833b14b33785f5797f7d39",
                 "shasum": ""
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             "require": {
@@ -1489,8 +1489,7 @@
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                 "psr/container": "^1.0",
-                "symfony/debug": "^3.4|^4.2",
-                "symfony/phpunit-bridge": "^4.4@dev|^5.0"
+                "symfony/phpunit-bridge": "^4.4|^5.0"
             },
             "type": "library",
             "extra": {
@@ -1519,7 +1518,6 @@
                 },
                 {
                     "name": "Twig Team",
-                    "homepage": "https://twig.symfony.com/contributors",
                     "role": "Contributors"
                 },
                 {
@@ -1533,7 +1531,7 @@
             "keywords": [
                 "templating"
             ],
-            "time": "2019-11-11T16:52:09+00:00"
+            "time": "2019-12-28T07:12:03+00:00"
         },
         {
             "name": "vlucas/phpdotenv",
@@ -2869,16 +2867,16 @@
         },
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-            "version": "4.3.3",
+            "version": "4.3.4",
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                 "url": "https://github.com/phpDocumentor/ReflectionDocBlock.git",
-                "reference": "2ecaa9fef01634c83bfa8dc1fe35fb5cef223a62"
+                "reference": "da3fd972d6bafd628114f7e7e036f45944b62e9c"
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             "dist": {
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-                "reference": "2ecaa9fef01634c83bfa8dc1fe35fb5cef223a62",
+                "url": "https://api.github.com/repos/phpDocumentor/ReflectionDocBlock/zipball/da3fd972d6bafd628114f7e7e036f45944b62e9c",
+                "reference": "da3fd972d6bafd628114f7e7e036f45944b62e9c",
                 "shasum": ""
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             "require": {
@@ -2890,6 +2888,7 @@
             "require-dev": {
                 "doctrine/instantiator": "^1.0.5",
                 "mockery/mockery": "^1.0",
+                "phpdocumentor/type-resolver": "0.4.*",
                 "phpunit/phpunit": "^6.4"
             },
             "type": "library",
@@ -2916,7 +2915,7 @@
                 }
             ],
             "description": "With this component, a library can provide support for annotations via DocBlocks or otherwise retrieve information that is embedded in a DocBlock.",
-            "time": "2019-12-20T13:40:23+00:00"
+            "time": "2019-12-28T18:55:12+00:00"
         },
         {
             "name": "phpdocumentor/type-resolver",
@@ -4824,22 +4823,23 @@
         },
         {
             "name": "vimeo/psalm",
-            "version": "3.7.2",
+            "version": "3.8.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/vimeo/psalm.git",
-                "reference": "d9cae720c1af31db9ba27c2bc1fcf9b0dd092fb0"
+                "reference": "8e54e3aa060fc490d86d0e2abbf62750516d40fd"
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-                "url": "https://api.github.com/repos/vimeo/psalm/zipball/d9cae720c1af31db9ba27c2bc1fcf9b0dd092fb0",
-                "reference": "d9cae720c1af31db9ba27c2bc1fcf9b0dd092fb0",
+                "url": "https://api.github.com/repos/vimeo/psalm/zipball/8e54e3aa060fc490d86d0e2abbf62750516d40fd",
+                "reference": "8e54e3aa060fc490d86d0e2abbf62750516d40fd",
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             "require": {
                 "amphp/amp": "^2.1",
                 "amphp/byte-stream": "^1.5",
                 "composer/xdebug-handler": "^1.1",
+                "ext-dom": "*",
                 "felixfbecker/advanced-json-rpc": "^3.0.3",
                 "felixfbecker/language-server-protocol": "^1.4",
                 "netresearch/jsonmapper": "^1.0",
@@ -4860,6 +4860,7 @@
                 "ext-curl": "*",
                 "friendsofphp/php-cs-fixer": "^2.15",
                 "phpmyadmin/sql-parser": "^5.0",
+                "phpspec/prophecy": ">=1.9.0",
                 "phpunit/phpunit": "^7.5 || ^8.0",
                 "psalm/plugin-phpunit": "^0.6",
                 "slevomat/coding-standard": "^5.0",
@@ -4890,7 +4891,8 @@
                     "Psalm\\": "src/Psalm"
                 },
                 "files": [
-                    "src/functions.php"
+                    "src/functions.php",
+                    "src/spl_object_id.php"
                 ]
             },
             "notification-url": "https://packagist.org/downloads/",
@@ -4908,7 +4910,7 @@
                 "inspection",
                 "php"
             ],
-            "time": "2019-12-03T13:33:31+00:00"
+            "time": "2019-12-29T16:11:07+00:00"
         },
         {
             "name": "webmozart/assert",