diff --git a/core/composer.json b/core/composer.json
index 63c4999..233b22f 100644
--- a/core/composer.json
+++ b/core/composer.json
@@ -9,7 +9,7 @@
         "symfony/console": "~2.8",
         "symfony/dependency-injection": "~2.8",
         "symfony/event-dispatcher": "~2.8",
-        "symfony/http-foundation": "~~2.8",
+        "symfony/http-foundation": "~2.8",
         "symfony/http-kernel": "~2.8",
         "symfony/routing": "~2.8",
         "symfony/serializer": "~2.8",