diff --git a/setup.cfg b/setup.cfg
index ff9c103..cfc967f 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -24,7 +24,7 @@ install_requires =
     bioio-ome-zarr ~= 2.3.0
     bioio-ome-tiff ~= 1.4.0
     tifffile <= 2025.9.9
-    tiffslide ~= 2.4.0
+    tiffslide >= 2.4.0
     dask-image >= 0.6.0
     py4j ~= 0.10.9.7
     geojson ~= 3.1.0