diff --git a/letsencrypt/acme.nix b/letsencrypt/acme.nix
index c4f7daf..8eead75 100644
--- a/letsencrypt/acme.nix
+++ b/letsencrypt/acme.nix
@@ -7,7 +7,7 @@ let
       CF_API_KEY=$TOKEN
       CLOUDFLARE_DNS_API_TOKEN=$TOKEN
       CLOUDFLARE_ZONE_API_TOKEN=$TOKEN
-      CLOUDFLARE_POLLING_INTERVAL=10
+      CLOUDFLARE_POLLING_INTERVAL=30
     '';
     DESEC = "DESEC_TOKEN=$TOKEN";
   };