diff --git a/store/datastore/ddl/mysql/files/013_add_column_repo_seq.sql b/store/datastore/ddl/mysql/files/013_add_column_repo_seq.sql
new file mode 100644
index 00000000..ed04c984
--- /dev/null
+++ b/store/datastore/ddl/mysql/files/013_add_column_repo_seq.sql
@@ -0,0 +1,11 @@
+-- name: alter-table-add-repo-seq
+
+ALTER TABLE repos ADD COLUMN repo_counter INTEGER;
+
+-- name: update-table-set-repo-seq
+
+UPDATE repos SET repo_counter = (
+  SELECT max(build_number)
+  FROM builds
+  WHERE builds.build_repo_id = repos.repo_id
+)
diff --git a/store/datastore/ddl/postgres/files/013_add_column_repo_seq.sql b/store/datastore/ddl/postgres/files/013_add_column_repo_seq.sql
new file mode 100644
index 00000000..ed04c984
--- /dev/null
+++ b/store/datastore/ddl/postgres/files/013_add_column_repo_seq.sql
@@ -0,0 +1,11 @@
+-- name: alter-table-add-repo-seq
+
+ALTER TABLE repos ADD COLUMN repo_counter INTEGER;
+
+-- name: update-table-set-repo-seq
+
+UPDATE repos SET repo_counter = (
+  SELECT max(build_number)
+  FROM builds
+  WHERE builds.build_repo_id = repos.repo_id
+)