diff --git a/schema/pgsql/upgrades/026.sql b/schema/pgsql/upgrades/026.sql
new file mode 100644
index 000000000..958578589
--- /dev/null
+++ b/schema/pgsql/upgrades/026.sql
@@ -0,0 +1,4 @@
+ALTER TABLE contact ADD COLUMN external_uuid uuid NOT NULL;
+ALTER TABLE contactgroup ADD COLUMN external_uuid uuid NOT NULL;
+
+ALTER TABLE contact ALTER COLUMN color DROP NOT NULL;
\ No newline at end of file