diff --git a/tests_multitenant/test_threading.py b/tests_multitenant/test_threading.py
index 24d0452..5dd2f8c 100644
--- a/tests_multitenant/test_threading.py
+++ b/tests_multitenant/test_threading.py
@@ -54,7 +54,8 @@ def test_thread(tenants, settings, client):
 
 def test_cache(tenants, client):
     # Clear caches
-    caches._caches.caches = {}
+    for c in caches.all():
+        c.clear()
 
     cache.set('coin', 1)