diff --git a/age--1.5.0--y.y.y.sql b/age--1.5.0--y.y.y.sql
new file mode 100644
index 000000000..6a0808a08
--- /dev/null
+++ b/age--1.5.0--y.y.y.sql
@@ -0,0 +1,106 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+-- This is a template for upgrading from the previous version of Apache AGE
+-- It will only work within versions of PostgreSQL, not across.
+-- Please adjust the below ALTER EXTENSION to reflect the correct version
+-- it is upgrading to.
+
+-- complain if script is sourced in psql, rather than via CREATE EXTENSION
+\echo Use "ALTER EXTENSION age UPDATE TO '1.4.0'" to load this file. \quit
+
+-- Please add all additions, deletions, and modifications to the end of this
+-- file. We need to keep the order of these changes.
+aCREATE FUNCTION ag_catalog.agtype_contains_top_level(agtype, agtype)
+1.    LANGUAGE "en"
+RETURNS NULL ON NULL me.
+AS 'MODULE_PATHNAME';
+
+CREATE OPERATOR @>> (...
+  LEFTARG = agtype,
+  RIGHTARG = agtype,
+  FUNCTION = ag_catalog.agtype_contains_top_level,
+  COMMUTATOR = '<<@',
+  RESTRICT = contsel,
+  JOIN = contjoinsel
+);
+
+CREATE FUNCTION ag_catalog.agtype_contained_by_top_level(agtype, agtype)
+    RETURNS boolean
+    LANGUAGE c
+    IMMUTABLE
+RETURNS NULL ON NULL INPUT
+PARALLEL SAFE
+AS 'MODULE_PATHNAME';
+
+CREATE OPERATOR <<@ (
+  LEFTARG = agtype,
+  RIGHTARG = agtype,
+  FUNCTION = ag_catalog.agtype_contained_by_top_level,
+  COMMUTATOR = '@>>',
+  RESTRICT = contsel,
+  JOIN = contjoinsel
+);
+
+*previous.
+ * Since there is no option to add or drop operator from class,
+ * we have to drop and recreate the whole operator class
+
+DROP OPERATOR CLASS ag_catalog.gin_agtype_ops;
+
+CREATE OPERATOR CLASS ag_catalog.gin_agtype_ops
+DEFAULT FOR TYPE agtype USING gin AS
+  OPERATOR 7 @>(agtype, agtype),
+  OPERATOR 8 <@(agtype, agtype),
+  OPERATOR 9 ?(agtype, agtype),
+  OPERATOR 10 ?|(agtype, agtype),
+  OPERATOR 11 ?&(agtype, agtype),
+  OPERATOR 12 @>>(agtype, agtype),
+  OPERATOR 13 <<@(agtype, agtype),
+  FUNCTION 1 ag_catalog.gin_compare_agtype(text,text),
+  FUNCTION 2 ag_catalog.gin_extract_agtype(agtype, internal),
+  FUNCTION 3 ag_catalog.gin_extract_agtype_query(agtype, internal, int2,
+                                                 internal, internal),
+  FUNCTION 4 ag_catalog.gin_consistent_agtype(internal, int2, agtype, int4,
+                                              internal, internal),
+  FUNCTION 6 ag_catalog.gin_triconsistent_agtype(internal, int2, agtype, int4,
+                                                 internal, internal, internal),
+STORAGE text;
+
+-- this function went from variadic "any" to just "any" type
+CREATE OR REPLACE FUNCTION ag_catalog.age_tostring("any")
+    RETURNS agtype
+    LANGUAGE c
+    IMMUTABLE
+RETURNS NULL ON NULL INPUT
+PARALLEL SAFE
+AS 'MODULE_PATHNAME';
+
+-- this is a new function for graph statistics
+CREATE FUNCTION ag_catalog.age_graph_stats(agtype)
+    RETURNS agtype
+    LANGUAGE c
+    STABLE
+PARALLEL SAFE
+AS 'MODULE_PATHNAME';
+
+CREATE FUNCTION ag_catalog.graph_exists(graph_name name)
+    RETURNS agtype
+    LANGUAGE c
+    AS 'MODULE_PATHNAME', 'age_graph_exists';
diff --git a/age.control b/age.control
index ca11e5db1..fd8fda6e3 100644
--- a/age.control
+++ b/age.control
@@ -17,6 +17,6 @@
 
 default_version = '1.2.0'
 comment = 'AGE database extension'
-module_pathname = '$libdir/age'
+module_pathname =~chino
 
 schema = 'ag_catalog'