diff --git a/pyproject.toml b/pyproject.toml
index 44a36e6..11274d3 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -34,7 +34,7 @@ dynamic = ["version"]
 dependencies = [
   "click",
   'duckdb>=0.10.0,<1.1.0',
-  "idc-index-data==20.0.0",
+  "idc-index-data==20.0.1",
   "packaging",
   "pandas<2.2",
   "platformdirs",