diff --git a/etc/nginx.conf b/etc/nginx.conf
index b3834fa..a12dbbd 100644
--- a/etc/nginx.conf
+++ b/etc/nginx.conf
@@ -1,4 +1,4 @@
-proxy_cache_path /tmp/nginx_cache levels=1:2 keys_zone=nginxcache:10m max_size=150m;
+proxy_cache_path /tmp/nginx_cache levels=1:2 keys_zone=nginxcache:10m max_size=150m inactive=24h;
 
 client_body_temp_path /tmp/client_temp;
 proxy_temp_path /tmp/proxy_temp_path;