diff --git a/.circleci/config.yml b/.circleci/config.yml
index 3cc4d8b55e..d1ac3a2f73 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -277,8 +277,8 @@ workflows:
               parts: ["1"]
               browser: ["chrome", "firefox"]
               script: ["browser_test.sh"]
-              group: ["0","1","2","3","4","5","6","7","8","9","10", "11","12","13"]
-              groupsize: ["14"]
+              group: ["0","1","2","3","4","5","6","7","8","9"]
+              groupsize: ["10"]
       - tests-passed:
           requires:
             - lint