diff --git a/src/lib.rs b/src/lib.rs
index be457896..14ed6aab 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -299,6 +299,7 @@ pub trait ParallelDatabase: Database + Send {
 /// for more details.
 ///
 /// [fm]: trait.ParallelDatabase#method.snapshot
+#[derive(Debug)]
 pub struct Snapshot<DB>
 where
     DB: ParallelDatabase,