diff --git a/pubspec.yaml b/pubspec.yaml
index 9ddf804..ae09e4e 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -40,7 +40,7 @@ dependencies:
   network_tools: ^5.0.2
   path_provider: ^2.1.5
   universal_io: ^2.2.2
-  nsd: ^3.0.0
+  nsd: ">=3.0.0 <5.0.0"
   # Performing mDNS queries (e.g. Bonjour, Avahi).
   multicast_dns: ^0.3.2+7