diff --git a/tokio-util/src/sync/cancellation_token.rs b/tokio-util/src/sync/cancellation_token.rs
index fbceb2eeb..c44be6986 100644
--- a/tokio-util/src/sync/cancellation_token.rs
+++ b/tokio-util/src/sync/cancellation_token.rs
@@ -55,6 +55,9 @@ pub struct CancellationToken {
     inner: Arc<tree_node::TreeNode>,
 }
 
+impl std::panic::UnwindSafe for CancellationToken {}
+impl std::panic::RefUnwindSafe for CancellationToken {}
+
 pin_project! {
     /// A Future that is resolved once the corresponding [`CancellationToken`]
     /// is cancelled.