diff --git a/lib/App/Netdisco/DB.pm b/lib/App/Netdisco/DB.pm
index acbcd561..6956a2c4 100644
--- a/lib/App/Netdisco/DB.pm
+++ b/lib/App/Netdisco/DB.pm
@@ -11,7 +11,7 @@ __PACKAGE__->load_namespaces(
 );
 
 our # try to hide from kwalitee
-  $VERSION = 78; # schema version used for upgrades, keep as integer
+  $VERSION = 79; # schema version used for upgrades, keep as integer
 
 use Path::Class;
 use File::ShareDir 'dist_dir';
diff --git a/share/schema_versions/App-Netdisco-DB-78-79-PostgreSQL.sql b/share/schema_versions/App-Netdisco-DB-78-79-PostgreSQL.sql
new file mode 100644
index 00000000..d6ee0b35
--- /dev/null
+++ b/share/schema_versions/App-Netdisco-DB-78-79-PostgreSQL.sql
@@ -0,0 +1,6 @@
+BEGIN;
+
+CREATE INDEX idx_device_custom_fields ON device USING gin (custom_fields);
+CREATE INDEX idx_device_port_custom_fields ON device_port USING gin (custom_fields);
+
+COMMIT;