diff --git a/pyproject.toml b/pyproject.toml
index 965044732..7702b8ef4 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -141,6 +141,7 @@ repair-wheel-command = [
 
 [[tool.cibuildwheel.overrides]]
 select = "*linux*"
+inherit.environment = "append"
 environment = {NETCDF_PLUGIN_DIR="/usr/local/hdf5/lib/plugin/"}
 
 [[tool.cibuildwheel.overrides]]