diff --git a/server/skillhub-app/src/main/resources/db/migration/V42__identity_binding_cascade_delete.sql b/server/skillhub-app/src/main/resources/db/migration/V42__identity_binding_cascade_delete.sql
new file mode 100644
index 00000000..e4c6284e
--- /dev/null
+++ b/server/skillhub-app/src/main/resources/db/migration/V42__identity_binding_cascade_delete.sql
@@ -0,0 +1,7 @@
+-- identity_binding.user_id references user_account(id) without ON DELETE CASCADE. When an
+-- account is removed, its bindings would otherwise survive and block the identity from being
+-- provisioned again. Cascade the deletion so bindings never outlive their account.
+ALTER TABLE identity_binding DROP CONSTRAINT identity_binding_user_id_fkey;
+ALTER TABLE identity_binding
+    ADD CONSTRAINT identity_binding_user_id_fkey
+    FOREIGN KEY (user_id) REFERENCES user_account(id) ON DELETE CASCADE;