diff --git a/gateway/sql/migrations/20220717092404_add_created_at_to_runtime_data.down.sql b/gateway/sql/migrations/20220717092404_add_created_at_to_runtime_data.down.sql
new file mode 100644
index 0000000..a8185bc
--- /dev/null
+++ b/gateway/sql/migrations/20220717092404_add_created_at_to_runtime_data.down.sql
@@ -0,0 +1 @@
+ALTER TABLE et_runtime_data DROP COLUMN created_at;
diff --git a/gateway/sql/migrations/20220717092404_add_created_at_to_runtime_data.up.sql b/gateway/sql/migrations/20220717092404_add_created_at_to_runtime_data.up.sql
new file mode 100644
index 0000000..7413587
--- /dev/null
+++ b/gateway/sql/migrations/20220717092404_add_created_at_to_runtime_data.up.sql
@@ -0,0 +1 @@
+ALTER TABLE et_runtime_data ADD COLUMN created_at TIMESTAMP WITHOUT TIME ZONE;