diff --git a/src/interfaces/libpq/exports.txt b/src/interfaces/libpq/exports.txt
index 9b789cbec0..d514376685 100644
--- a/src/interfaces/libpq/exports.txt
+++ b/src/interfaces/libpq/exports.txt
@@ -209,3 +209,4 @@ PQservice                 206
 PQsetAuthDataHook         207
 PQgetAuthDataHook         208
 PQdefaultAuthDataHook     209
+PQfullProtocolVersion     210