diff --git a/serde/src/de/impls.rs b/serde/src/de/impls.rs
index 3f6cbf80..3555dedf 100644
--- a/serde/src/de/impls.rs
+++ b/serde/src/de/impls.rs
@@ -48,7 +48,7 @@ impl Deserialize for () {
 
 ///////////////////////////////////////////////////////////////////////////////
 
-struct BoolVisitor;
+pub struct BoolVisitor;
 
 impl Visitor for BoolVisitor {
     type Value = bool;