diff --git a/bicepconfig.json b/bicepconfig.json
index 2210b36d..1507738c 100644
--- a/bicepconfig.json
+++ b/bicepconfig.json
@@ -3,7 +3,7 @@
         "extensibility": true
     },
     "extensions": {
-        "radius": "br:biceptypes.azurecr.io/radius:latest",
-        "aws": "br:biceptypes.azurecr.io/aws:latest"
+        "radius": "br:biceptypes.azurecr.io/radius:0.41",
+        "aws": "br:biceptypes.azurecr.io/aws:0.41"
     }
 }