diff --git a/env_vars.sh b/env_vars.sh
new file mode 100644
index 0000000..ca9dd28
--- /dev/null
+++ b/env_vars.sh
@@ -0,0 +1 @@
+NETCDF_VERSION=4.6.3
diff --git a/multibuild b/multibuild
index 160edd7..88a0b6f 160000
--- a/multibuild
+++ b/multibuild
@@ -1 +1 @@
-Subproject commit 160edd796c25c0aa400b73ce79cecfa1758c181e
+Subproject commit 88a0b6f0eb770cf9f95792d66410e7696ce3d384