diff --git a/libpg_query b/libpg_query
index 831d0b6..c4dd7c5 160000
--- a/libpg_query
+++ b/libpg_query
@@ -1 +1 @@
-Subproject commit 831d0b6ecf2a83a17c39f412e9649fffdf66dcd1
+Subproject commit c4dd7c57edd215420159cc58d97e7ef14a053ae9