diff --git a/src/xrpld/app/ledger/LedgerReplay.h b/src/xrpld/app/ledger/LedgerReplay.h
index f4cbf9c69e..a2b2e60e8e 100644
--- a/src/xrpld/app/ledger/LedgerReplay.h
+++ b/src/xrpld/app/ledger/LedgerReplay.h
@@ -4,6 +4,7 @@
 
 #include <cstdint>
 #include <map>
+#include <memory>
 
 namespace xrpl {