diff --git a/installer/data/mysql/atomicupdate/bug_31212_dbrev.pl b/installer/data/mysql/atomicupdate/bug_31212_dbrev.pl
new file mode 100755
index 0000000000..40e790439a
--- /dev/null
+++ b/installer/data/mysql/atomicupdate/bug_31212_dbrev.pl
@@ -0,0 +1,17 @@
+use Modern::Perl;
+
+return {
+    bug_number => "31212",
+    description => "Update items.datelastseen and deleteditems.datelastseen to datetime data format",
+    up => sub {
+        my ($args) = @_;
+        my ($dbh, $out) = @$args{qw(dbh out)};
+        $dbh->do(q{
+            ALTER TABLE `items` MODIFY COLUMN `datelastseen` DATETIME DEFAULT NULL
+        });
+        $dbh->do(q{
+            ALTER TABLE `deleteditems` MODIFY COLUMN `datelastseen` DATETIME DEFAULT NULL
+        });
+        say $out "items and deleteditems table updated";
+    },
+};