diff --git a/hpb/BUILD b/hpb/BUILD
index 091c05dd42..23b6d3a7c8 100644
--- a/hpb/BUILD
+++ b/hpb/BUILD
@@ -170,3 +170,12 @@ cc_library(
         "//upb:mini_table",
     ],
 )
+
+cc_library(
+    name = "arena",
+    hdrs = ["arena.h"],
+    visibility = ["//visibility:public"],
+    deps = [
+        "//upb:mem",
+    ],
+)
diff --git a/hpb/arena.h b/hpb/arena.h
new file mode 100644
index 0000000000..a6bbbf5d25
--- /dev/null
+++ b/hpb/arena.h
@@ -0,0 +1,10 @@
+#ifndef GOOGLE_PROTOBUF_HPB_ARENA_H__
+#define GOOGLE_PROTOBUF_HPB_ARENA_H__
+
+#include "upb/mem/arena.hpp"
+
+namespace hpb {
+using Arena = upb::Arena;
+}
+
+#endif  // GOOGLE_PROTOBUF_HPB_ARENA_H__