diff --git a/setup.py b/setup.py
index 7ec6eef..2042ff9 100644
--- a/setup.py
+++ b/setup.py
@@ -22,6 +22,7 @@ else:
         "pandas >= 0.25.0",
         "shapely >= 1.6",
         "geopandas >= 0.8,<0.10",
+        "geoalchemy2 >= 0.8.4",
         "sqlalchemy >= 1.3.23",
         "rasterstats >= 0.15.0",
         "rasterio >= 1.2.0",