diff --git a/composer.json b/composer.json
index 298826a..c9f0421 100644
--- a/composer.json
+++ b/composer.json
@@ -40,7 +40,7 @@
         "mezzio/mezzio-helpers": "^5.0",
         "mezzio/mezzio-router": "^3.0",
         "mezzio/mezzio-template": "^2.0",
-        "psr/container": "^1.0",
+        "psr/container": "^1.0 || ^2.0",
         "psr/http-message": "^1.0.1"
     },
     "require-dev": {
diff --git a/composer.lock b/composer.lock
index 9f51f4f..5d7571a 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "0074ff241790c4ed944c4ca7db5489cb",
+    "content-hash": "1db1cc4d36164c20f1f585f59ee24712",
     "packages": [
         {
             "name": "fig/http-message-util",