diff --git a/copilot/api/manifest.yml b/copilot/api/manifest.yml
index b9262b51..b6ff6cf7 100644
--- a/copilot/api/manifest.yml
+++ b/copilot/api/manifest.yml
@@ -36,3 +36,4 @@ environments:
 secrets:
   # Note: URI, not URL.
   DATABASE_URI: /copilot/${COPILOT_APPLICATION_NAME}/${COPILOT_ENVIRONMENT_NAME}/secrets/API_DATABASE_URL
+  REDIS_HOST: /copilot/${COPILOT_APPLICATION_NAME}/${COPILOT_ENVIRONMENT_NAME}/secrets/REDIS_HOST