diff --git a/composer.json b/composer.json
index 871dc7db8c..54543239a4 100644
--- a/composer.json
+++ b/composer.json
@@ -17,7 +17,7 @@
         "ext-xml": "*",
         "psr/http-message": "^1.0",
         "psr/http-factory": "^1.0",
-        "psr/container": "^1.0",
+        "psr/container": "^2.0",
         "psr/http-server-middleware": "^1.0",
         "psr/http-server-handler": "^1.0",
         "psr/http-client": "^1.0",