diff --git a/rust/flatbuffers/build.rs b/rust/flatbuffers/build.rs
new file mode 100644
index 0000000..c13ed1d
--- /dev/null
+++ b/rust/flatbuffers/build.rs
@@ -0,0 +1,12 @@
+use rustc_version::{version_meta, Channel};
+
+fn main() {
+    let version_meta = version_meta().unwrap();
+
+    // To use nightly features we declare this and then we can use
+    // #[cfg(nightly)]
+    // for nightly only features
+    if version_meta.channel == Channel::Nightly {
+        println!("cargo:rustc-cfg=nightly")
+    }
+}