diff --git a/equipment_tracker/transactions/serializers.py b/equipment_tracker/transactions/serializers.py
index 4eb567f..7d6256f 100644
--- a/equipment_tracker/transactions/serializers.py
+++ b/equipment_tracker/transactions/serializers.py
@@ -191,6 +191,8 @@ class TransactionSerializer(serializers.HyperlinkedModelSerializer):
                 # This updates the status field of all equipment instances in a single query
                 EquipmentInstance.objects.filter(
                     id__in=[equipment.id for equipment in equipments]).update(status='Available')
+                cache.delete('available_equipment_instances')
+                cache.delete('equipment_instances')
                 return super().update(instance, validated_data)
 
             # For Approved transactions,
@@ -208,6 +210,8 @@ class TransactionSerializer(serializers.HyperlinkedModelSerializer):
                 # This updates the status field of all equipment instances in a single query
                 EquipmentInstance.objects.filter(
                     id__in=[equipment.id for equipment in equipments]).update(status='Available')
+                cache.delete('available_equipment_instances')
+                cache.delete('equipment_instances')
                 return super().update(instance, validated_data)
 
             # If there are no issues and a transaction changes from Approved to Borrowed, label the selected equipment's statuses as Borrowed