diff --git a/database/migrations/2024_03_23_144609_siteinformation_fk.php b/database/migrations/2024_03_23_144609_siteinformation_fk.php
new file mode 100644
index 0000000000..d2fe1c5f64
--- /dev/null
+++ b/database/migrations/2024_03_23_144609_siteinformation_fk.php
@@ -0,0 +1,39 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\DB;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration {
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        if (Schema::hasTable('siteinformation')) {
+            echo "Adding siteid foreign key to siteinformation table...";
+            $num_deleted = DB::delete('DELETE FROM siteinformation WHERE siteid NOT IN (SELECT id FROM site)');
+            echo $num_deleted . ' invalid rows deleted' . PHP_EOL;
+            Schema::table('siteinformation', function (Blueprint $table) {
+                $table->foreign('siteid')->references('id')->on('site')->cascadeOnDelete();
+            });
+        } else {
+            echo "ERROR: siteinformation table does not exist!";
+        }
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        if (Schema::hasTable('siteinformation')) {
+            Schema::table('siteinformation', function (Blueprint $table) {
+                $table->dropForeign(['siteid']);
+            });
+        } else {
+            echo "ERROR: siteinformation table does not exist!";
+        }
+    }
+};