diff --git a/photo21/settings.py b/photo21/settings.py
index 953a8c2..422f2c7 100644
--- a/photo21/settings.py
+++ b/photo21/settings.py
@@ -166,9 +166,15 @@ CACHES = {
     "default": {
         "BACKEND": "django.core.cache.backends.locmem.LocMemCache",
         "LOCATION": "Master",
-    }
+    },
+    "select2": {
+        "BACKEND": "django.core.cache.backends.filebased.FileBasedCache",
+        "LOCATION": "/tmp/django_select2_cache",
+    },
 }
 
+SELECT2_CACHE_BACKEND = "select2"
+
 
 # Password validation
 # https://docs.djangoproject.com/en/2.2/ref/settings/#auth-password-validators