diff --git a/Cargo.lock b/Cargo.lock
index fbd5bab..93b1c71 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -105,7 +105,7 @@ dependencies = [
 
 [[package]]
 name = "range_bounds_map"
-version = "0.3.1"
+version = "0.3.2"
 dependencies = [
  "btree_monstrousity",
  "either",
diff --git a/Cargo.toml b/Cargo.toml
index 3854c40..791fc28 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "range_bounds_map"
-version = "0.3.1"
+version = "0.3.2"
 authors = ["James Forster <james.forsterer@gmail.com>"]
 edition = "2021"
 description = """
diff --git a/src/range_bounds_set.rs b/src/range_bounds_set.rs
index 2399168..350e147 100644
--- a/src/range_bounds_set.rs
+++ b/src/range_bounds_set.rs
@@ -106,7 +106,7 @@ where
 	pub fn gaps<'a, Q>(
 		&'a self,
 		range: Q,
-	) -> impl Iterator<Item = (Bound<I>, Bound<I>)> + '_
+	) -> impl DoubleEndedIterator<Item = (Bound<I>, Bound<I>)> + '_
 	where
 		Q: NiceRange<I> + 'a,
 	{