diff --git a/composer.json b/composer.json
index b17503a..f0bb44f 100644
--- a/composer.json
+++ b/composer.json
@@ -15,7 +15,7 @@
         "php": "^7.1",
         "illuminate/support": "^5.5|^5.6|^5.7|^5.8|^6.0|^7.0|^8.0",
         "ext-json": "*",
-        "symfony/var-exporter": "^5.1"
+        "symfony/var-exporter": "^4.3|^5.1"
     },
     "require-dev": {
         "orchestra/testbench": "^5.0",