diff --git a/.circleci/config.yml b/.circleci/config.yml
index ec63de8c5..b88717f51 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -784,7 +784,7 @@ jobs:
 
   docker-build: &build-job
     docker: *docker-base-image
-    resource_class: xlarge
+    resource_class: large
     working_directory: *work-dir
     steps:
       - checkout
@@ -814,6 +814,7 @@ jobs:
 
   docker-build-frontend-2:
     <<: *build-job
+    resource_class: xlarge
     environment:
       SPECKLE_SERVER_PACKAGE: frontend-2