diff --git a/setup.py b/setup.py
index 08608dc..2ef498f 100644
--- a/setup.py
+++ b/setup.py
@@ -16,6 +16,7 @@
         "jsonpath-ng",
         "construct >= 2.9",
         "bidict",
+        "gsm0338",
     ],
     scripts=[
         'pySim-prog.py',