diff --git a/.circleci/config.yml b/.circleci/config.yml
index 0e713d61281effc258a7cd1e015b606b4bf5122c..47804cb7b8ade548f8e29307a25b2d949ed20dbc 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