diff --git a/composer.json b/composer.json
index e00e31f..1f702bd 100644
--- a/composer.json
+++ b/composer.json
@@ -35,7 +35,7 @@
         "yoast/phpunit-polyfills": "^1.0.0 || ^2.0.0",
         "symfony/var-dumper": "<=6.2.7",
         "gin0115/wpunit-helpers": "1.1.*",
-        "vlucas/phpdotenv": "<=5.5.0"
+        "vlucas/phpdotenv": "<=5.7.0"
     },
     "require": {
         "php": ">=8.0.0"