diff --git a/.circleci/config.yml b/.circleci/config.yml
index e7edf51..d4e660a 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -11,10 +11,10 @@ jobs:
                 name: Stable Build
                 command: |
                     cargo --version --verbose
-                    cargo build
+                    cargo build -j 1
             - run:
                 name: Stable Test
-                command: cargo test
+                command: cargo test -j 1
             - save_cache:
                 key: project-cache
                 paths: