diff --git a/193thz.json b/193thz.json
index b43185d..d862561 100644
--- a/193thz.json
+++ b/193thz.json
@@ -19,7 +19,7 @@
             "dds": "ad9910",
             "ports": [1, 2],
             "clk_sel": 2,
-            "proto_rev": 8
+            "proto_rev": 9
         },
         {
             "type": "sampler",