diff --git a/src/error.rs b/src/error.rs
index cac6204..6ea1d4b 100644
--- a/src/error.rs
+++ b/src/error.rs
@@ -2,6 +2,7 @@ use std::sync::Arc;
 
 /// Error type used for [`crate::AsyncHttpRangeReader`]
 #[derive(Clone, Debug, thiserror::Error)]
+#[non_exhaustive]
 pub enum AsyncHttpRangeReaderError {
     /// The server does not support range requests
     #[error("range requests are not supported")]