diff --git a/pyproject.toml b/pyproject.toml
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -47,6 +47,7 @@ dependencies = [
     "avro>=1.11.3",
     "fastavro>=1.9.4",
     "yappi>=1.6.0",
+    "py-spy>=0.3.14",
 ]
 requires-python = ">=3.11"