diff --git a/crates/erooster_core/migrations/20230727214547_fix_data_type.down.sql b/crates/erooster_core/migrations/20230727214547_fix_data_type.down.sql
new file mode 100644
index 00000000..59d724b5
--- /dev/null
+++ b/crates/erooster_core/migrations/20230727214547_fix_data_type.down.sql
@@ -0,0 +1,2 @@
+ALTER TABLE mails
+ALTER id SET DATA TYPE BIGSERIAL;
\ No newline at end of file
diff --git a/crates/erooster_core/migrations/20230727214547_fix_data_type.up.sql b/crates/erooster_core/migrations/20230727214547_fix_data_type.up.sql
new file mode 100644
index 00000000..99149c30
--- /dev/null
+++ b/crates/erooster_core/migrations/20230727214547_fix_data_type.up.sql
@@ -0,0 +1,2 @@
+ALTER TABLE mails
+ALTER id SET DATA TYPE SERIAL;
\ No newline at end of file