diff --git a/modules/services/attic/default.nix b/modules/services/attic/default.nix
index 0049db0..7e1b002 100644
--- a/modules/services/attic/default.nix
+++ b/modules/services/attic/default.nix
@@ -67,6 +67,7 @@ in
       domain = atticDomain;
       port = atticPort;
     };
+    services.nginx.clientMaxBodySize = "512M";
     services.atticd = {
       enable = true;
       credentialsFile = config.age.secrets.atticEnv.path;