diff --git a/bonn3.json b/bonn3.json
index c491751..2fa2325 100644
--- a/bonn3.json
+++ b/bonn3.json
@@ -3,6 +3,7 @@
     "target": "kasli",
     "variant": "bonn3",
     "hw_rev": "v2.0",
+    "min_artiq_version": "6.0",
     "ext_ref_frequency": 10e6,
     "base": "standalone",
     "core_addr": "10.34.16.100",
diff --git a/bonn4.json b/bonn4.json
index 5302c8b..17a3fba 100644
--- a/bonn4.json
+++ b/bonn4.json
@@ -3,6 +3,7 @@
     "target": "kasli",
     "variant": "bonn4",
     "hw_rev": "v2.0",
+    "min_artiq_version": "6.0",
     "ext_ref_frequency": 10e6,
     "base": "standalone",
     "core_addr": "10.34.16.100",