diff --git a/src/monitor/pgautofailover--2.0--2.1.sql b/src/monitor/pgautofailover--2.0--2.1.sql
new file mode 100644
index 000000000..3c25d94be
--- /dev/null
+++ b/src/monitor/pgautofailover--2.0--2.1.sql
@@ -0,0 +1,7 @@
+--
+-- extension update file from 2.0 to 2.1
+--
+-- complain if script is sourced in psql, rather than via CREATE EXTENSION
+\echo Use "CREATE EXTENSION pgautofailover" to load this file. \quit
+
+-- no changes, just the version number