diff --git a/.circleci/config.yml b/.circleci/config.yml
index 9ad04e39e..ee03d38bc 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -102,6 +102,7 @@ jobs:
   test-11_check-multi:
     docker:
       - image: 'citus/exttester:11.9'
+    resource_class: xlarge
     working_directory: /home/circleci/project
     steps:
       - checkout
@@ -202,6 +203,7 @@ jobs:
   test-11_check-failure:
     docker:
       - image: 'citus/failtester:11.9'
+    resource_class: xlarge
     working_directory: /home/circleci/project
     steps:
       - checkout
@@ -241,6 +243,7 @@ jobs:
   test-12_check-multi:
     docker:
       - image: 'citus/exttester:12.4'
+    resource_class: xlarge
     working_directory: /home/circleci/project
     steps:
       - checkout
@@ -340,6 +343,7 @@ jobs:
   test-12_check-failure:
     docker:
       - image: 'citus/failtester:12.4'
+    resource_class: xlarge
     working_directory: /home/circleci/project
     steps:
       - checkout
@@ -376,6 +380,7 @@ jobs:
   test-13_check-multi:
     docker:
       - image: 'citus/exttester:13beta3'
+    resource_class: xlarge
     working_directory: /home/circleci/project
     steps:
       - checkout
@@ -476,6 +481,7 @@ jobs:
   test-13_check-failure:
     docker:
       - image: 'citus/failtester:13beta3'
+    resource_class: xlarge
     working_directory: /home/circleci/project
     steps:
       - checkout