diff --git a/composer.json b/composer.json
index 7203f6b..64bea33 100644
--- a/composer.json
+++ b/composer.json
@@ -16,7 +16,7 @@
         }
     },
     "require": {
-      "symfony/http-foundation": "^3.4.15"
+      "symfony/http-foundation": "^3.4.35"
     },
     "require-dev": {
         "phpunit/phpunit": "^7.5"