diff --git a/subscription/apps.py b/subscription/apps.py
index e14c1d4..72aa1f2 100644
--- a/subscription/apps.py
+++ b/subscription/apps.py
@@ -4,3 +4,6 @@ from django.apps import AppConfig
 class SubscriptionConfig(AppConfig):
     default_auto_field = 'django.db.models.BigAutoField'
     name = 'subscription'
+
+    def ready(self):
+        from . import receivers  # noqa: F401  (باطل‌کردنِ کشِ پلن‌ها)
diff --git a/subscription/receivers.py b/subscription/receivers.py
new file mode 100644
index 0000000..5e40d04
--- /dev/null
+++ b/subscription/receivers.py
@@ -0,0 +1,14 @@
+"""باطل‌کردنِ کشِ لیستِ پلن‌ها با هر تغییرِ Plan (از ادمین)."""
+from django.core.cache import cache
+from django.db.models.signals import post_delete, post_save
+from django.dispatch import receiver
+
+from .models import Plan
+
+PLANS_CACHE_KEY = 'subscription:plans:v1'  # هم‌تراز با subscription/views.py
+
+
+@receiver(post_save, sender=Plan, dispatch_uid='subscription_invalidate_plans_cache_on_save')
+@receiver(post_delete, sender=Plan, dispatch_uid='subscription_invalidate_plans_cache_on_delete')
+def _invalidate_plans_cache(sender, **kwargs):
+    cache.delete(PLANS_CACHE_KEY)
diff --git a/subscription/views.py b/subscription/views.py
index ff716ec..92c8b58 100644
--- a/subscription/views.py
+++ b/subscription/views.py
@@ -1,3 +1,4 @@
+from django.core.cache import cache
 from django.db import transaction
 from django.db.models import F
 from django.shortcuts import get_object_or_404
@@ -38,26 +39,34 @@ class GuestAwarePurchaseThrottle(ScopedRateThrottle):
         return self.cache_format % {'scope': self.scope, 'ident': ident}
 
 
+# پلن‌ها تقریباً هیچ‌وقت عوض نمی‌شوند و روی صفحه‌ی اشتراک هر بار خوانده می‌شوند.
+# با هر save/delete روی Plan کش باطل می‌شود (subscription/receivers.py).
+PLANS_CACHE_KEY = 'subscription:plans:v1'
+PLANS_CACHE_TTL = 3600
+
+
 class PlansListView(APIView):
     """GET /api/subscription/plans — list available plans."""
 
     @extend_schema(responses=PlansListResponseSerializer, tags=['Subscription (subscription)'])
     def get(self, request):
-        plans = Plan.objects.all()
-        data = {
-            'plans': [
-                {
-                    'id': str(p.id),
-                    'title': p.title,
-                    'price': p.price,
-                    'currency': p.currency,
-                    'popular': p.popular,
-                    'discountPercent': p.discount_percent,
-                    'durationDays': p.duration_days,
-                }
-                for p in plans
-            ]
-        }
+        def build():
+            return {
+                'plans': [
+                    {
+                        'id': str(p.id),
+                        'title': p.title,
+                        'price': p.price,
+                        'currency': p.currency,
+                        'popular': p.popular,
+                        'discountPercent': p.discount_percent,
+                        'durationDays': p.duration_days,
+                    }
+                    for p in Plan.objects.all()
+                ]
+            }
+
+        data = cache.get_or_set(PLANS_CACHE_KEY, build, PLANS_CACHE_TTL)
         return Response(PlansListResponseSerializer(data).data)