diff --git a/sentry_sdk/client.py b/sentry_sdk/client.py
index cf345c41f9..abcdfb8cfa 100644
--- a/sentry_sdk/client.py
+++ b/sentry_sdk/client.py
@@ -541,6 +541,10 @@ def _prepare_event(
         if event.get("platform") is None:
             event["platform"] = "python"
 
+        event.setdefault("debug_meta", {}).update(
+            {"project_root": self.options["project_root"]}
+        )
+
         event = handle_in_app(
             event,
             self.options["in_app_exclude"],