diff --git a/src/include/catalog/catversion.h b/src/include/catalog/catversion.h
index 64b9aa36d8..1c2e38daf4 100644
--- a/src/include/catalog/catversion.h
+++ b/src/include/catalog/catversion.h
@@ -53,6 +53,6 @@
  */
 
 /*							yyyymmddN */
-#define CATALOG_VERSION_NO	202201171
+#define CATALOG_VERSION_NO	202201191
 
 #endif
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index b6f689e8d1..0859dc81ca 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -2290,8 +2290,8 @@
   proname => 'interval_in', provolatile => 's', prorettype => 'interval',
   proargtypes => 'cstring oid int4', prosrc => 'interval_in' },
 { oid => '1161', descr => 'I/O',
-  proname => 'interval_out', prorettype => 'cstring', proargtypes => 'interval',
-  prosrc => 'interval_out' },
+  proname => 'interval_out', provolatile => 's', prorettype => 'cstring',
+  proargtypes => 'interval', prosrc => 'interval_out' },
 { oid => '2903', descr => 'I/O typmod',
   proname => 'intervaltypmodin', prorettype => 'int4',
   proargtypes => '_cstring', prosrc => 'intervaltypmodin' },