diff --git a/Makefile b/Makefile
index 03de3a5..9b60a7c 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 MODULES = set_user
 
 EXTENSION = set_user
-DATA = set_user--3.0.sql set_user--2.0--3.0.sql set_user--1.6--2.0.sql set_user--1.5--1.6.sql set_user--1.4--1.5.sql set_user--1.1--1.4.sql set_user--1.0--1.1.sql
+DATA = set_user--4.0.0rc1.sql set_user--2.0--3.0.sql set_user--1.6--2.0.sql set_user--1.5--1.6.sql set_user--1.4--1.5.sql set_user--1.1--1.4.sql set_user--1.0--1.1.sql
 PGFILEDESC = "set_user - similar to SET ROLE but with added logging"
 
 REGRESS = set_user
diff --git a/set_user--3.0--3.1.sql b/set_user--3.0--4.0.0rc1.sql
similarity index 55%
rename from set_user--3.0--3.1.sql
rename to set_user--3.0--4.0.0rc1.sql
index 7f93a16..051f2dc 100644
--- a/set_user--3.0--3.1.sql
+++ b/set_user--3.0--4.0.0rc1.sql
@@ -1,6 +1,6 @@
-/* set-user-3.0--3.1.sql */
+/* set-user-3.0--4.0.0rc1.sql */
 
 -- complain if script is sourced in psql, rather than via ALTER EXTENSION
 \echo Use "ALTER EXTENSION set_user UPDATE" to load this file. \quit
 
--- just bumping our version to 3.1. no new SQL features here, so nothing to do.
+-- just bumping our version to 4.0.0rc1. no new SQL features here, so nothing to do.
diff --git a/set_user--3.1.sql b/set_user--4.0.0rc1.sql
similarity index 95%
rename from set_user--3.1.sql
rename to set_user--4.0.0rc1.sql
index e58ee39..b45005e 100644
--- a/set_user--3.1.sql
+++ b/set_user--4.0.0rc1.sql
@@ -1,4 +1,4 @@
-/* set-user--3.0.sql */
+/* set-user--4.0.0rc1.sql */
 
 SET LOCAL search_path to @extschema@;
 
@@ -52,4 +52,4 @@ AS 'MODULE_PATHNAME', 'set_session_auth'
 LANGUAGE C STRICT;
 REVOKE EXECUTE ON FUNCTION @extschema@.set_session_auth(text) FROM PUBLIC;
 
-/* No new sql functions for 3.1 */
+/* No new sql functions for 4.0.0 */
diff --git a/set_user.control b/set_user.control
index 3ddc254..88792e0 100644
--- a/set_user.control
+++ b/set_user.control
@@ -1,5 +1,5 @@
 # set_user extension
 comment = 'similar to SET ROLE but with added logging'
-default_version = '3.0'
+default_version = '4.0.0rc1'
 module_pathname = '$libdir/set_user'
 relocatable = false