diff --git a/pyproject.toml b/pyproject.toml
index 93bdb1767..9c4096e93 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -94,6 +94,7 @@ preview = [
   "tqdm",
   "tenacity",
   "lazy-imports",
+  "posthog",  # telemetry
 
   "Jinja2",
   "openai",