diff --git a/src/backend/impress/settings.py b/src/backend/impress/settings.py
index 7ab73250..57269b16 100755
--- a/src/backend/impress/settings.py
+++ b/src/backend/impress/settings.py
@@ -913,6 +913,11 @@ class Production(Base):
             "OPTIONS": {
                 "CLIENT_CLASS": "django_redis.client.DefaultClient",
             },
+            "KEY_PREFIX": values.Value(
+                "docs",
+                environ_name="CACHES_KEY_PREFIX",
+                environ_prefix=None,
+            ),
         },
     }
 
diff --git a/src/helm/env.d/dev/values.impress.yaml.gotmpl b/src/helm/env.d/dev/values.impress.yaml.gotmpl
index 1136ac43..30ada528 100644
--- a/src/helm/env.d/dev/values.impress.yaml.gotmpl
+++ b/src/helm/env.d/dev/values.impress.yaml.gotmpl
@@ -63,6 +63,7 @@ backend:
     STORAGES_STATICFILES_BACKEND: django.contrib.staticfiles.storage.StaticFilesStorage
     Y_PROVIDER_API_BASE_URL: http://impress-y-provider:443/api/
     Y_PROVIDER_API_KEY: my-secret
+    CACHES_KEY_PREFIX: "{{ now | unixEpoch }}"
   migrate:
     command:
       - "/bin/sh"