diff --git a/ops/nginx/conf.d/static-files.conf b/ops/nginx/conf.d/static-files.conf
index 3a7c292dd..cad06a7a7 100644
--- a/ops/nginx/conf.d/static-files.conf
+++ b/ops/nginx/conf.d/static-files.conf
@@ -26,7 +26,7 @@ map $sent_http_content_type $expires {
   ~*application/rdf\+xml                  1h;
   ~*application/rss\+xml                  1h;
 
-  ~*application/json                      0;
+  ~*application/json                      4h;
   ~*application/ld\+json                  0;
   ~*application/schema\+json              0;
   ~*application/geo\+json                 0;