diff --git a/setup.cfg b/setup.cfg
index 93f6c38..e636ab6 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -26,7 +26,6 @@ install_requires =
     numpy >= 1.13
     importlib-metadata >= 3.6; python_version < "3.10"
     xarray
-    netcdf4
 package_dir =
     =src
 packages = pyaro, pyaro.timeseries, pyaro.csvreader