diff --git a/app/Listeners/HandleStripeWebhook.php b/app/Listeners/HandleStripeWebhook.php
index 00ec40a..2f205a4 100644
--- a/app/Listeners/HandleStripeWebhook.php
+++ b/app/Listeners/HandleStripeWebhook.php
@@ -129,8 +129,9 @@ final class HandleStripeWebhook
 
     private function bustPlanCache(User $user): void
     {
-        $tag = Cache::tags(['plans']);
-        $tag->forget("plan_for_user_{$user->id}");
-        $tag->forget("plan_cadence_for_user_{$user->id}");
+        $cache = Cache::supportsTags() ? Cache::tags(['plans']) : Cache::store();
+
+        $cache->forget("plan_for_user_{$user->id}");
+        $cache->forget("plan_cadence_for_user_{$user->id}");
     }
 }
diff --git a/tests/Feature/Payments/HandleStripeWebhookTest.php b/tests/Feature/Payments/HandleStripeWebhookTest.php
index 6c89f4c..09b6bc0 100644
--- a/tests/Feature/Payments/HandleStripeWebhookTest.php
+++ b/tests/Feature/Payments/HandleStripeWebhookTest.php
@@ -24,6 +24,24 @@ it('busts the plan cache on customer.subscription.created', function (): void {
     expect(Cache::tags(['plans'])->get("plan_for_user_{$user->id}"))->toBeNull();
 });
 
+it('busts the plan cache without error on a cache store that does not support tags', function (): void {
+    // The `file` driver is not taggable — calling Cache::tags() on it throws.
+    // This guards against a regression where bustPlanCache assumed a taggable store.
+    config(['cache.default' => 'file']);
+    Cache::store('file')->flush();
+    expect(Cache::supportsTags())->toBeFalse();
+
+    $user = User::factory()->create(['stripe_id' => 'cus_notags_1']);
+    Cache::put("plan_for_user_{$user->id}", 'stale', 3600);
+
+    (new HandleStripeWebhook)->handle(new WebhookReceived([
+        'type' => 'customer.subscription.created',
+        'data' => ['object' => ['customer' => 'cus_notags_1']],
+    ]));
+
+    expect(Cache::get("plan_for_user_{$user->id}"))->toBeNull();
+});
+
 it('ignores subscription.created when the user is not found', function (): void {
     (new HandleStripeWebhook)->handle(new WebhookReceived([
         'type' => 'customer.subscription.created',