diff --git a/equipment_tracker/transactions/models.py b/equipment_tracker/transactions/models.py
index dd968de..65f735c 100644
--- a/equipment_tracker/transactions/models.py
+++ b/equipment_tracker/transactions/models.py
@@ -43,5 +43,7 @@ class Transaction(models.Model):
         return f"Transaction #{self.id} under {self.teacher} by {self.borrower}"
 
     def save(self, *args, **kwargs):
+        cache.delete('available_equipment_instances')
+        cache.delete('equipment_instances')
         cache.delete('non_finalized_transactions')
         return super().save(*args, **kwargs)