diff --git a/composer.lock b/composer.lock
index 381e6c2..539163a 100644
--- a/composer.lock
+++ b/composer.lock
@@ -1223,22 +1223,21 @@
         },
         {
             "name": "symfony/dotenv",
-            "version": "v5.2.12",
+            "version": "v5.3.6",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/dotenv.git",
-                "reference": "f0fcb3406dafc7730e3df7add94ca287d682b46b"
+                "reference": "b6d44663cff8c9880ee64d232870293a11e14cd6"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/dotenv/zipball/f0fcb3406dafc7730e3df7add94ca287d682b46b",
-                "reference": "f0fcb3406dafc7730e3df7add94ca287d682b46b",
+                "url": "https://api.github.com/repos/symfony/dotenv/zipball/b6d44663cff8c9880ee64d232870293a11e14cd6",
+                "reference": "b6d44663cff8c9880ee64d232870293a11e14cd6",
                 "shasum": ""
             },
             "require": {
                 "php": ">=7.2.5",
-                "symfony/deprecation-contracts": "^2.1",
-                "symfony/polyfill-php80": "^1.16"
+                "symfony/deprecation-contracts": "^2.1"
             },
             "require-dev": {
                 "symfony/process": "^4.4|^5.0"
@@ -1274,7 +1273,7 @@
                 "environment"
             ],
             "support": {
-                "source": "https://github.com/symfony/dotenv/tree/v5.2.12"
+                "source": "https://github.com/symfony/dotenv/tree/v5.3.6"
             },
             "funding": [
                 {
@@ -1290,7 +1289,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2021-07-21T12:38:00+00:00"
+            "time": "2021-07-29T06:20:01+00:00"
         },
         {
             "name": "symfony/http-client",