diff --git a/netcdf-examples/Cargo.toml b/netcdf-examples/Cargo.toml
index 0dc7798..e1b23ca 100644
--- a/netcdf-examples/Cargo.toml
+++ b/netcdf-examples/Cargo.toml
@@ -5,7 +5,7 @@ edition = "2021"
 publish = false
 
 [features]
-mpi = ["dep:mpi", "netcdf/mpi"]
+mpi = ["dep:mpi", "netcdf/mpi", "dep:mpi-sys"]
 
 [dependencies]
 netcdf = { workspace = true }