diff --git a/.circleci/config.yml b/.circleci/config.yml
index 6234b89d..65f300c3 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -143,7 +143,7 @@ jobs:
         cache: <<#parameters.postgres>>postgres<</ parameters.postgres>><<^parameters.postgres>>sqlite<</parameters.postgres>>
     - run_with_coverage:
         cmd: |
-          cargo run -p plume-cli --no-default-features --features=${FEATURES} -- migration run
+          cargo run -p plume-cli --no-default-features --features=${FEATURES} -j1 -- migration run
           cmd="cargo test --all --exclude plume-front --exclude plume-macro --no-run --no-default-features --features=${FEATURES} -j"
           for i in 36 4 2 1 1; do
               $cmd $i && break