diff --git a/src/xrpld/overlay/detail/ProtocolVersion.cpp b/src/xrpld/overlay/detail/ProtocolVersion.cpp
index 73d00b52d8..1e5ababdef 100644
--- a/src/xrpld/overlay/detail/ProtocolVersion.cpp
+++ b/src/xrpld/overlay/detail/ProtocolVersion.cpp
@@ -15,6 +15,7 @@
 #include <iterator>
 #include <optional>
 #include <string>
+#include <string_view>
 #include <vector>
 
 namespace xrpl {