diff --git a/.circleci/config.yml b/.circleci/config.yml
index 6e871f20..be355fc5 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -2,7 +2,7 @@ version: 2.1
 
 jobs:
   run-tests:
-    resource_class: medium
+    resource_class: large
     parameters:
       python-version:
         type: string