diff --git a/scripts/integration-tests/e2e-prettier.sh b/scripts/integration-tests/e2e-prettier.sh
index d98031b163a5..9dc86a19a65c 100755
--- a/scripts/integration-tests/e2e-prettier.sh
+++ b/scripts/integration-tests/e2e-prettier.sh
@@ -40,6 +40,6 @@ yarn install
 
 # Only run js,jsx,misc format tests
 # Without --runInBand CircleCI hangs.
-yarn test "tests/format/(jsx?|misc|typescript|flow|flow-repo)/" --update-snapshot
+yarn test "tests/format/(jsx?|misc|typescript|flow|flow-repo)/" --update-snapshot --maxWorkers=2
 
 cleanup