diff --git a/server/migrations/20210923031555-missing-cascades.js b/server/migrations/20210923031555-missing-cascades.js
new file mode 100644
index 00000000..cbb53a59
--- /dev/null
+++ b/server/migrations/20210923031555-missing-cascades.js
@@ -0,0 +1,44 @@
+
+module.exports = {
+  up: async (queryInterface, Sequelize) => {
+    let tableName, constraintName;
+
+    tableName = 'user_authentications';
+    constraintName = 'user_authentications_authenticationProviderId_fkey';
+    await queryInterface.sequelize.query(`alter table "${tableName}" drop constraint "${constraintName}"`)
+    await queryInterface.sequelize.query(
+      `alter table "${tableName}"
+        add constraint "${constraintName}" foreign key("authenticationProviderId") references "authentication_providers" ("id")
+        on delete cascade`
+    );
+
+    constraintName = 'user_authentications_userId_fkey';
+    await queryInterface.sequelize.query(`alter table "${tableName}" drop constraint "${constraintName}"`)
+    await queryInterface.sequelize.query(
+      `alter table "${tableName}"
+        add constraint "${constraintName}" foreign key("userId") references "users" ("id")
+        on delete cascade`
+    );
+  },
+
+  down: async (queryInterface, Sequelize) => {
+    let tableName, constraintName;
+
+    tableName = 'user_authentications';
+    constraintName = 'user_authentications_authenticationProviderId_fkey';
+    await queryInterface.sequelize.query(`alter table "${tableName}" drop constraint "${constraintName}"`)
+    await queryInterface.sequelize.query(
+      `alter table "${tableName}"
+        add constraint "${constraintName}" foreign key("authenticationProviderId") references "authentication_providers" ("id")
+        on delete no action`
+    );
+
+    constraintName = 'user_authentications_userId_fkey';
+    await queryInterface.sequelize.query(`alter table "${tableName}" drop constraint "${constraintName}"`)
+    await queryInterface.sequelize.query(
+      `alter table "${tableName}"
+        add constraint "${constraintName}" foreign key("userId") references "users" ("id")
+        on delete no action`
+    );
+  },
+};
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