diff --git a/setup.cfg b/setup.cfg
index 7cb93db1..bd408629 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -40,6 +40,7 @@ install_requires =
     geopandas>=0.10
     rasterio<2,>=1.3
     shapely>=1.8
+    fiona>=1.9
     scikit-image>=0.19
     opencv-python>=4.5.5
     decorator==4.4.2