diff --git a/composer.json b/composer.json
index 6315aff..4e0a3ed 100644
--- a/composer.json
+++ b/composer.json
@@ -23,7 +23,7 @@
   "require": {
     "php": ">=7.2.0",
     "ext-zip": "*",
-    "symfony/dotenv": "^4.2@dev",
+    "symfony/dotenv": "^5.4@dev",
     "nanosoup/nemesis": "dev-master",
     "nanosoup/zeus": "dev-master",
     "nanosoup/erebus": "dev-master",