diff --git a/setup.py b/setup.py
index 57a3434..8154a10 100644
--- a/setup.py
+++ b/setup.py
@@ -79,6 +79,7 @@
         "pyshp",
         "pyproj",
         "geopandas",
+        "py7zr",
     ],
     # List additional groups of dependencies here (e.g. development
     # dependencies). You can install these using the following syntax,