diff --git a/.circleci/config.yml b/.circleci/config.yml
index 6f6987cf85d04d37efe0e22d472964b7ee4b5174..691a231518ffe4c9e7aed7b3f75ee862d8de8170 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -22,6 +22,8 @@ jobs:
       # build.
       - image: "nixorg/nix:circleci"
 
+    resource_class: "xlarge"
+
     environment:
       # Specify a revision of NixOS/nixpkgs to run against.  This essentially
       # pins the majority of the software involved in the build.  This