diff --git a/composer.json b/composer.json
index 9afac78e0c..b45f8dc51e 100644
--- a/composer.json
+++ b/composer.json
@@ -33,7 +33,7 @@
         "knplabs/knp-menu": "^3.1",
         "knplabs/knp-menu-bundle": "^3.0",
         "psr/container": "^1.0",
-        "psr/log": "^1.1",
+        "psr/log": "^1.1 || ^2.0",
         "sonata-project/block-bundle": "^4.0",
         "sonata-project/doctrine-extensions": "^1.8",
         "sonata-project/exporter": "^2.1",