diff --git a/composer.json b/composer.json
index 3a29372..3ab278f 100644
--- a/composer.json
+++ b/composer.json
@@ -32,7 +32,7 @@
     "netzmacht/php-javascript-builder": "^1.0",
     "netzmacht/php-leaflet": "^1.1.0",
     "symfony/config": "~3.3 || ~4.0",
-    "symfony/dependency-injection": "~3.3 || ~4.0",
+    "symfony/dependency-injection": "^3.4.26 || ^4.1.12",
     "symfony/event-dispatcher": "~3.3 || ~4.0",
     "symfony/filesystem": "~3.3 || ~4.0",
     "symfony/http-kernel": "~3.3 || ~4.0",