diff --git a/contrib/postgres_fdw/deparse.c b/contrib/postgres_fdw/deparse.c
index 2045774f24f074c39c7aebdfe45808968dae7087..7992191f79d55e13f910bf270b1b3af1d733f275 100644
--- a/contrib/postgres_fdw/deparse.c
+++ b/contrib/postgres_fdw/deparse.c
@@ -50,6 +50,7 @@
 #include "parser/parsetree.h"
 #include "utils/builtins.h"
 #include "utils/lsyscache.h"
+#include "utils/rel.h"
 #include "utils/syscache.h"
 
 
diff --git a/contrib/postgres_fdw/postgres_fdw.c b/contrib/postgres_fdw/postgres_fdw.c
index 4c497768257404f1bd15576c8d1edddf9eb8ee73..905a821ad076dcf8f345e4b8b8594a18bf8a803d 100644
--- a/contrib/postgres_fdw/postgres_fdw.c
+++ b/contrib/postgres_fdw/postgres_fdw.c
@@ -36,6 +36,7 @@
 #include "utils/guc.h"
 #include "utils/lsyscache.h"
 #include "utils/memutils.h"
+#include "utils/rel.h"
 
 PG_MODULE_MAGIC;
 
diff --git a/contrib/postgres_fdw/postgres_fdw.h b/contrib/postgres_fdw/postgres_fdw.h
index 94eadae891650cde2747fbf6a2ff85d41e056484..0382c5572fc7cb4e4a8c63b68892615546615f11 100644
--- a/contrib/postgres_fdw/postgres_fdw.h
+++ b/contrib/postgres_fdw/postgres_fdw.h
@@ -16,7 +16,7 @@
 #include "foreign/foreign.h"
 #include "lib/stringinfo.h"
 #include "nodes/relation.h"
-#include "utils/rel.h"
+#include "utils/relcache.h"
 
 #include "libpq-fe.h"