diff --git a/odc/geo/_version.py b/odc/geo/_version.py
index c97a9165..5b712805 100644
--- a/odc/geo/_version.py
+++ b/odc/geo/_version.py
@@ -1,2 +1,2 @@
 """version information only."""
-__version__ = "0.4.1"
+__version__ = "0.4.2a0"
diff --git a/setup.cfg b/setup.cfg
index 716f1ffc..495ba76e 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -44,10 +44,15 @@ xr =
 warp =
     rasterio
 
-all =
+tiff =
+    tifffile
     %(warp)s
     %(xr)s
 
+all =
+    %(warp)s
+    %(tiff)s
+
 test =
     pytest
     geopandas