diff --git a/contrib/earthdistance/Makefile b/contrib/earthdistance/Makefile
index f93b7a925a2..0cf3fa379a2 100644
--- a/contrib/earthdistance/Makefile
+++ b/contrib/earthdistance/Makefile
@@ -3,7 +3,8 @@
 MODULES = earthdistance
 
 EXTENSION = earthdistance
-DATA = earthdistance--1.1.sql earthdistance--1.0--1.1.sql
+DATA = earthdistance--1.1.sql earthdistance--1.0--1.1.sql \
+	earthdistance--1.1--1.2.sql
 PGFILEDESC = "earthdistance - calculate distances on the surface of the Earth"
 
 REGRESS = earthdistance
diff --git a/contrib/earthdistance/earthdistance--1.1--1.2.sql b/contrib/earthdistance/earthdistance--1.1--1.2.sql
new file mode 100644
index 00000000000..40a0ce233d1
--- /dev/null
+++ b/contrib/earthdistance/earthdistance--1.1--1.2.sql
@@ -0,0 +1,73 @@
+/* contrib/earthdistance/earthdistance--1.1--1.2.sql */
+
+-- complain if script is sourced in psql, rather than via ALTER EXTENSION
+\echo Use "ALTER EXTENSION earthdistance UPDATE TO '1.2'" to load this file. \quit
+
+CREATE OR REPLACE FUNCTION earth() RETURNS float8
+LANGUAGE SQL IMMUTABLE PARALLEL SAFE
+RETURN '6378168'::float8;
+
+CREATE OR REPLACE FUNCTION sec_to_gc(float8)
+RETURNS float8
+LANGUAGE SQL
+IMMUTABLE STRICT
+PARALLEL SAFE
+RETURN CASE
+  WHEN $1 < '0'::float8 THEN '0'::float8
+  WHEN $1 / ('2'::float8 * earth()) > '1'::float8 THEN pi() * earth()
+  ELSE '2'::float8 * earth() * asin($1 / ('2'::float8 * earth()))
+END;
+
+CREATE OR REPLACE FUNCTION gc_to_sec(float8)
+RETURNS float8
+LANGUAGE SQL
+IMMUTABLE STRICT
+PARALLEL SAFE
+RETURN CASE
+  WHEN $1 < '0'::float8 THEN '0'::float8
+  WHEN $1 / earth() > pi() THEN '2'::float8 * earth()
+  ELSE '2'::float8 * earth() * sin($1 / ('2'::float8 * earth()))
+END;
+
+CREATE OR REPLACE FUNCTION ll_to_earth(float8, float8)
+RETURNS earth
+LANGUAGE SQL
+IMMUTABLE STRICT
+PARALLEL SAFE
+RETURN @extschema:cube@.cube(@extschema:cube@.cube(@extschema:cube@.cube(
+    earth() * cos(radians($1)) * cos(radians($2))),
+    earth() * cos(radians($1)) * sin(radians($2))),
+    earth() * sin(radians($1)))::earth;
+
+CREATE OR REPLACE FUNCTION latitude(earth)
+RETURNS float8
+LANGUAGE SQL
+IMMUTABLE STRICT
+PARALLEL SAFE
+RETURN CASE
+  WHEN @extschema:cube@.cube_ll_coord($1, 3) / earth() < '-1'::float8 THEN '-90'::float8
+  WHEN @extschema:cube@.cube_ll_coord($1, 3) / earth() > '1'::float8 THEN '90'::float8
+  ELSE degrees(asin(@extschema:cube@.cube_ll_coord($1, 3) / earth()))
+END;
+
+CREATE OR REPLACE FUNCTION longitude(earth)
+RETURNS float8
+LANGUAGE SQL
+IMMUTABLE STRICT
+PARALLEL SAFE
+RETURN degrees(atan2(@extschema:cube@.cube_ll_coord($1, 2),
+                     @extschema:cube@.cube_ll_coord($1, 1)));
+
+CREATE OR REPLACE FUNCTION earth_distance(earth, earth)
+RETURNS float8
+LANGUAGE SQL
+IMMUTABLE STRICT
+PARALLEL SAFE
+RETURN sec_to_gc(@extschema:cube@.cube_distance($1, $2));
+
+CREATE OR REPLACE FUNCTION earth_box(earth, float8)
+RETURNS @extschema:cube@.cube
+LANGUAGE SQL
+IMMUTABLE STRICT
+PARALLEL SAFE
+RETURN @extschema:cube@.cube_enlarge($1, gc_to_sec($2), 3);
diff --git a/contrib/earthdistance/earthdistance--1.1.sql b/contrib/earthdistance/earthdistance--1.1.sql
index 9ef20ab848c..4799f03e3ea 100644
--- a/contrib/earthdistance/earthdistance--1.1.sql
+++ b/contrib/earthdistance/earthdistance--1.1.sql
@@ -27,10 +27,10 @@ AS 'SELECT ''6378168''::float8';
 -- and that the point must be very near the surface of the sphere
 -- centered about the origin with the radius of the earth.
 
-CREATE DOMAIN earth AS cube
-  CONSTRAINT not_point check(cube_is_point(value))
-  CONSTRAINT not_3d check(cube_dim(value) <= 3)
-  CONSTRAINT on_surface check(abs(cube_distance(value, '(0)'::cube) /
+CREATE DOMAIN earth AS @extschema:cube@.cube
+  CONSTRAINT not_point CHECK(@extschema:cube@.cube_is_point(VALUE))
+  CONSTRAINT not_3d CHECK(@extschema:cube@.cube_dim(VALUE) <= 3)
+  CONSTRAINT on_surface CHECK(abs(@extschema:cube@.cube_distance(VALUE, '(0)'::@extschema:cube@.cube) /
   earth() - '1'::float8) < '10e-7'::float8);
 
 CREATE FUNCTION sec_to_gc(float8)
diff --git a/contrib/earthdistance/earthdistance.control b/contrib/earthdistance/earthdistance.control
index 5816d22cdd9..de2465d487e 100644
--- a/contrib/earthdistance/earthdistance.control
+++ b/contrib/earthdistance/earthdistance.control
@@ -1,6 +1,6 @@
 # earthdistance extension
 comment = 'calculate great-circle distances on the surface of the Earth'
-default_version = '1.1'
+default_version = '1.2'
 module_pathname = '$libdir/earthdistance'
 relocatable = true
 requires = 'cube'
diff --git a/contrib/earthdistance/meson.build b/contrib/earthdistance/meson.build
index 4e3c538f7aa..be63bf577c3 100644
--- a/contrib/earthdistance/meson.build
+++ b/contrib/earthdistance/meson.build
@@ -20,6 +20,7 @@ install_data(
   'earthdistance.control',
   'earthdistance--1.0--1.1.sql',
   'earthdistance--1.1.sql',
+  'earthdistance--1.1--1.2.sql',
   kwargs: contrib_data_args,
 )