diff --git a/netcdf-src/build.rs b/netcdf-src/build.rs
index cc17907..1b9533c 100644
--- a/netcdf-src/build.rs
+++ b/netcdf-src/build.rs
@@ -33,7 +33,8 @@ fn main() {
         //
         .define("NETCDF_ENABLE_PARALLEL4", "OFF") // TODO: Enable mpi support
         //
-        .define("NETCDF_ENABLE_NCZARR", "OFF") // TODO: requires a bunch of deps
+        .define("NETCDF_ENABLE_NCZARR", "ON")
+        .define("NETCDF_ENABLE_S3", "OFF") // TODO: requires a bunch of deps
         //
         .define("NETCDF_ENABLE_DAP", "OFF") // TODO: feature flag, requires curl
         .define("NETCDF_ENABLE_BYTERANGE", "OFF") // TODO: feature flag, requires curl