diff --git a/database/migrations/2026_09_14_000004_add_missing_foreign_key_constraints_to_wiki_id_columns.php b/database/migrations/2026_09_14_000004_add_missing_foreign_key_constraints_to_wiki_id_columns.php
new file mode 100644
index 000000000..5d3416224
--- /dev/null
+++ b/database/migrations/2026_09_14_000004_add_missing_foreign_key_constraints_to_wiki_id_columns.php
@@ -0,0 +1,91 @@
+<?php
+
+declare(strict_types=1);
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class() extends Migration {
+    /**
+     * Run the migrations.
+     */
+    public function up(): void {
+        Schema::table('event_page_updates', function (Blueprint $table) {
+            $table->foreignId('wiki_id')->change()
+                ->constrained()
+                ->restrictOnUpdate()
+                ->restrictOnDelete();
+        });
+
+        Schema::table('queryservice_namespaces', function (Blueprint $table) {
+            $table->foreignId('wiki_id')->nullable()->change()
+                ->constrained()
+                ->restrictOnUpdate()
+                ->restrictOnDelete();
+        });
+
+        Schema::table('wiki_dbs', function (Blueprint $table) {
+            $table->foreignId('wiki_id')->nullable()->change()
+                ->constrained()
+                ->restrictOnUpdate()
+                ->restrictOnDelete();
+        });
+
+        Schema::table('wiki_domains', function (Blueprint $table) {
+            $table->foreignId('wiki_id')->nullable()->change()
+                ->constrained()
+                ->restrictOnUpdate()
+                ->restrictOnDelete();
+        });
+
+        Schema::table('wiki_managers', function (Blueprint $table) {
+            $table->foreignId('wiki_id')->change()
+                ->constrained()
+                ->restrictOnUpdate()
+                ->restrictOnDelete();
+        });
+
+        Schema::table('wiki_settings', function (Blueprint $table) {
+            $table->foreignId('wiki_id')->nullable()->change()
+                ->constrained()
+                ->restrictOnUpdate()
+                ->restrictOnDelete();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void {
+        Schema::table('event_page_updates', function (Blueprint $table) {
+            $table->dropForeign(['wiki_id']);
+            $table->integer('wiki_id')->change();
+        });
+
+        Schema::table('queryservice_namespaces', function (Blueprint $table) {
+            $table->dropForeign(['wiki_id']);
+            $table->unsignedInteger('wiki_id')->nullable()->change();
+        });
+
+        Schema::table('wiki_dbs', function (Blueprint $table) {
+            $table->dropForeign(['wiki_id']);
+            $table->unsignedInteger('wiki_id')->nullable()->change();
+        });
+
+        Schema::table('wiki_domains', function (Blueprint $table) {
+            $table->dropForeign(['wiki_id']);
+            $table->unsignedInteger('wiki_id')->nullable()->change();
+        });
+
+        Schema::table('wiki_managers', function (Blueprint $table) {
+            $table->dropForeign(['wiki_id']);
+            $table->integer('wiki_id')->change();
+        });
+
+        Schema::table('wiki_settings', function (Blueprint $table) {
+            $table->dropForeign(['wiki_id']);
+            $table->unsignedInteger('wiki_id')->nullable()->change();
+        });
+    }
+};