diff --git a/src/interscript/ml/registry.py b/src/interscript/ml/registry.py
index fc103bf..5ee1c97 100644
--- a/src/interscript/ml/registry.py
+++ b/src/interscript/ml/registry.py
@@ -21,7 +21,7 @@
 import yaml
 
 DEFAULT_INDEX_URL = (
-    "https://github.com/interscript/interscript-ml/releases/download/index-v7/models-index.yaml"
+    "https://github.com/interscript/interscript-ml/releases/download/index-v8/models-index.yaml"
 )
 # primary env vars; the SECRYST_* names are deprecated aliases (kept one transition period)
 ENV_INDEX = "INTERSCRIPT_ML_INDEX"
diff --git a/tests_ml/test_registry.py b/tests_ml/test_registry.py
index 8f69776..5d49a52 100644
--- a/tests_ml/test_registry.py
+++ b/tests_ml/test_registry.py
@@ -178,7 +178,7 @@ def test_default_index_url_pins_github_release() -> None:
 
     assert DEFAULT_INDEX_URL == (
         "https://github.com/interscript/interscript-ml"
-        "/releases/download/index-v7/models-index.yaml"
+        "/releases/download/index-v8/models-index.yaml"
     )
     assert "raw.githubusercontent" not in DEFAULT_INDEX_URL