diff --git a/lea/cli.py b/lea/cli.py
index b9d9367..de70d06 100644
--- a/lea/cli.py
+++ b/lea/cli.py
@@ -7,7 +7,11 @@
 
 import lea
 
-app = typer.Typer()
+app = typer.Typer(
+    # We set this to False to avoid showing locals in the traceback, which can be a security risk
+    # if the code is running in production.
+    pretty_exceptions_show_locals=False
+)
 
 
 def validate_env_path(env_path: str | None):