diff --git a/Orchestrator/v0.1/nlr_versions.json b/Orchestrator/v0.1/nlr_versions.json
index fb5b9f667..3e95e3f71 100644
--- a/Orchestrator/v0.1/nlr_versions.json
+++ b/Orchestrator/v0.1/nlr_versions.json
@@ -1,34 +1,30 @@
 {
   "version": "0.1",
-  "default": "pretrained.20200924.microsoft.dte.00.03.en.onnx",
+  "default": "pretrained.20200924.microsoft.dte.00.06.en.onnx",
   "models": {
     "pretrained.20200924.microsoft.dte.00.12.roberta.en.onnx": {
       "releaseDate": "09/24/2020",
-      "modelUri": "https://models.botframework.com/models/dte/onnx/pretrained.20200924.microsoft.dte.00.12.roberta.en.onnx.7z",
+      "modelUri": "https://models.botframework.com/models/dte/onnx/pretrained.20200924.microsoft.dte.00.12.roberta.en.onnx.zip",
       "description": "Bot Framework SDK release 4.10 - English Onnx V1.4 12-layer Roberta per-token NLR",
-      "minSDKVersion": "4.10.0",
-      "isDefault": false
+      "minSDKVersion": "4.10.0"
     },
     "pretrained.20200924.microsoft.dte.00.03.en.onnx": {
       "releaseDate": "09/24/2020",
-      "modelUri": "https://models.botframework.com/models/dte/onnx/pretrained.20200924.microsoft.dte.00.03.en.onnx.7z",
+      "modelUri": "https://models.botframework.com/models/dte/onnx/pretrained.20200924.microsoft.dte.00.03.en.onnx.zip",
       "description": "Bot Framework SDK release 4.10 - English Onnx V1.4 3-layer BERT per-token NLR",
-      "minSDKVersion": "4.10.0",
-      "isDefault": true
+      "minSDKVersion": "4.10.0"
     },
     "pretrained.20200924.microsoft.dte.00.06.en.onnx": {
       "releaseDate": "09/24/2020",
-      "modelUri": "https://models.botframework.com/models/dte/onnx/pretrained.20200924.microsoft.dte.00.06.en.onnx.7z",
+      "modelUri": "https://models.botframework.com/models/dte/onnx/pretrained.20200924.microsoft.dte.00.06.en.onnx.zip",
       "description": "Bot Framework SDK release 4.10 - English Onnx V1.4 6-layer BERT per-token NLR",
-      "minSDKVersion": "4.10.0",
-      "isDefault": false
+      "minSDKVersion": "4.10.0"
     },
     "pretrained.20200924.microsoft.dte.00.12.en.onnx": {
       "releaseDate": "09/24/2020",
-      "modelUri": "https://models.botframework.com/models/dte/onnx/pretrained.20200924.microsoft.dte.00.12.en.onnx.7z",
+      "modelUri": "https://models.botframework.com/models/dte/onnx/pretrained.20200924.microsoft.dte.00.12.en.onnx.zip",
       "description": "Bot Framework SDK release 4.10 - English Onnx V1.4 12-layer BERT per-token NLR",
-      "minSDKVersion": "4.10.0",
-      "isDefault": false
+      "minSDKVersion": "4.10.0"
     }
   }
 }