diff --git a/setup.py b/setup.py
index 210d307..132dfe2 100644
--- a/setup.py
+++ b/setup.py
@@ -20,6 +20,7 @@
         "termcolor",
         "colorlog",
         "pycryptodome"
+        "packaging"
     ],
     scripts=[
         'pySim-prog.py',