diff --git a/src/iterative_telemetry/__init__.py b/src/iterative_telemetry/__init__.py
index 351ead1..131ce37 100644
--- a/src/iterative_telemetry/__init__.py
+++ b/src/iterative_telemetry/__init__.py
@@ -212,7 +212,10 @@ def _runtime_info(self):
             group_id, user_id = ci_id
         else:
             group_id, user_id = None, find_or_create_user_id()
+        major, minor, patch, *_ = sys.version_info
+
         return {
+            "python_version": {"major": major, "minor": minor, "patch": patch},
             "tool_name": self.tool_name,
             "tool_version": self.tool_version,
             "user_id": user_id,