diff --git a/cxx/fbjni/detail/Iterator-inl.h b/cxx/fbjni/detail/Iterator-inl.h
index b404f01..bab9e75 100644
--- a/cxx/fbjni/detail/Iterator-inl.h
+++ b/cxx/fbjni/detail/Iterator-inl.h
@@ -248,6 +248,16 @@ local_ref<JArrayList<E>> JArrayList<E>::create(int initialCapacity) {
   return JArrayList<E>::newInstance(initialCapacity);
 }
 
+template <typename E>
+local_ref<JHashSet<E>> JHashSet<E>::create() {
+  return JHashSet<E>::newInstance();
+}
+
+template <typename E>
+local_ref<JHashSet<E>> JHashSet<E>::create(int initialCapacity) {
+  return JHashSet<E>::newInstance(initialCapacity);
+}
+
 template <typename K, typename V>
 local_ref<JHashMap<K, V>> JHashMap<K, V>::create() {
   return JHashMap<K, V>::newInstance();
diff --git a/cxx/fbjni/detail/Iterator.h b/cxx/fbjni/detail/Iterator.h
index 4610db0..3c2b823 100644
--- a/cxx/fbjni/detail/Iterator.h
+++ b/cxx/fbjni/detail/Iterator.h
@@ -169,6 +169,14 @@ struct JArrayList : JavaClass<JArrayList<E>, JList<E>> {
   static local_ref<JArrayList<E>> create(int initialCapacity);
 };
 
+template <typename E = jobject>
+struct JHashSet : JavaClass<JHashSet<E>, JSet<E>> {
+  constexpr static auto kJavaDescriptor = "Ljava/util/HashSet;";
+
+  static local_ref<JHashSet<E>> create();
+  static local_ref<JHashSet<E>> create(int initialCapacity);
+};
+
 template <typename K = jobject, typename V = jobject>
 struct JHashMap : JavaClass<JHashMap<K, V>, JMap<K, V>> {
   constexpr static auto kJavaDescriptor = "Ljava/util/HashMap;";