diff --git a/nixos/modules/services/web-apps/bluesky-pds.nix b/nixos/modules/services/web-apps/bluesky-pds.nix
index 56611917f0c8..c19a791a16b1 100644
--- a/nixos/modules/services/web-apps/bluesky-pds.nix
+++ b/nixos/modules/services/web-apps/bluesky-pds.nix
@@ -73,7 +73,7 @@ in
 
           PDS_BLOB_UPLOAD_LIMIT = mkOption {
             type = types.str;
-            default = "52428800";
+            default = "104857600";
             description = "Size limit of uploaded blobs in bytes";
           };