diff --git a/composer.lock b/composer.lock
index 1715c82..a0c96d6 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
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@@ -7458,22 +7458,23 @@
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+            "version": "v5.3.4",
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-                "reference": "3bbcf262fceb3d8f48175302e6ba0ac96e3a5a11",
+                "url": "https://api.github.com/repos/symfony/yaml/zipball/90909bd7352ae57411a93fcd67b09e6199340547",
+                "reference": "90909bd7352ae57411a93fcd67b09e6199340547",
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                 "php": ">=7.2.5",
                 "symfony/deprecation-contracts": "^2.1",
-                "symfony/polyfill-ctype": "~1.8"
+                "symfony/polyfill-ctype": "~1.8",
+                "symfony/polyfill-php80": "^1.16"
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@@ -7513,7 +7514,7 @@
             "description": "Loads and dumps YAML files",
             "homepage": "https://symfony.com",
             "support": {
-                "source": "https://github.com/symfony/yaml/tree/v5.3.0"
+                "source": "https://github.com/symfony/yaml/tree/v5.3.4"
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@@ -7529,7 +7530,7 @@
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-            "time": "2021-05-26T17:43:10+00:00"
+            "time": "2021-07-21T12:40:44+00:00"
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