diff --git a/logtracker/journal/models.py b/logtracker/journal/models.py
index ff41ad3..2e90d04 100644
--- a/logtracker/journal/models.py
+++ b/logtracker/journal/models.py
@@ -1,7 +1,9 @@
+import random
+
 from django.db import models
 from django.contrib.postgres.fields import JSONField
 from django.contrib.postgres.fields.jsonb import KeyTextTransform
-from django.utils.functional import cached_property
+from django.core.cache import cache
 
 
 class EntryManager(models.Manager):
@@ -22,13 +24,19 @@ class EntryManager(models.Manager):
             options['data__' + k.upper() + '__%s' % mode] = v
         return options
 
-    @cached_property
     def hosts(self):
-        return self.model.objects.all().values_list('host', flat=True).distinct()
+        value = cache.get('hosts')
+        if value is None:
+            value = self.model.objects.all().values_list('host', flat=True).distinct()
+            cache.set('hosts', value, 6000 * random.random())
+        return value
 
-    @cached_property
     def units(self):
-        return self.model.objects.all().annotate(unit=KeyTextTransform('_SYSTEMD_UNIT', 'data')).values_list('unit', flat=True).distinct()
+        value = cache.get('units')
+        if value is None:
+            value = self.model.objects.all().annotate(unit=KeyTextTransform('_SYSTEMD_UNIT', 'data')).values_list('unit', flat=True).distinct()
+            cache.set('units', value, 600 * random.random())
+        return value
 
 
 class Entry(models.Model):