diff --git a/aws/utilities/commandline_interface.py b/aws/utilities/commandline_interface.py
index a37379a..ba6429a 100644
--- a/aws/utilities/commandline_interface.py
+++ b/aws/utilities/commandline_interface.py
@@ -1,7 +1,7 @@
 import argparse
 
 
-def commandline_interface():
+def commandline_interface() -> dict:
     """A commandline interface for parsing input parameters with
 
     Parameters