diff --git a/manifest.toml b/manifest.toml
index 3747f09..97fbb24 100644
--- a/manifest.toml
+++ b/manifest.toml
@@ -39,8 +39,8 @@ ram.runtime = "50M"
 
 [resources]
     [resources.sources.main]
-    url = "https://download.technitium.com/dns/archive/11.3/DnsServerPortable.tar.gz"
-    sha256 = "316290e7ea1c79a856498e7c780ad83a5cc63603f9fb5dee5a22fda42c1689af"
+    url = "https://download.technitium.com/dns/archive/12.1/DnsServerPortable.tar.gz"
+    sha256 = "1b4336c6e601640dd75d768fb38a4bac99b300c6d52618aa21202fb82c37899a"
     in_subdir = false
     # Careful, this autoupdate does not put the right asset, it only serves as a notification!
     autoupdate.strategy = "latest_github_tag"