diff --git a/composer.json b/composer.json
index 13f7482..e4ac707 100644
--- a/composer.json
+++ b/composer.json
@@ -33,7 +33,7 @@
     },
     "require-dev": {
         "omnipay/common": "^3",
-        "symfony/http-foundation": "^3|4^"
+        "symfony/http-foundation": "^3|^4"
     },
     "extra": {
         "branch-alias": {