diff --git a/composer.json b/composer.json
index 15e15a3..4ba808d 100644
--- a/composer.json
+++ b/composer.json
@@ -13,7 +13,7 @@
         "doctrine/cache": "^1.6",
         "symfony/http-foundation": "^3.3|^4.0",
         "guzzlehttp/guzzle": "^6.2",
-        "monolog/monolog": "^1.22"
+        "monolog/monolog": "^1.22|^2.0"
     },
     "autoload": {
         "psr-4": {