diff --git a/duke4.json b/duke4.json
index fdd3afa..f8bb2db 100644
--- a/duke4.json
+++ b/duke4.json
@@ -1,5 +1,6 @@
 {
     "target": "kasli",
+    "min_artiq_version": "6.0",
     "variant": "duke4",
     "hw_rev": "v2.0",
     "base": "standalone",