diff --git a/Makefile b/Makefile
index af67ab7..17d3a6e 100644
--- a/Makefile
+++ b/Makefile
@@ -86,7 +86,7 @@ sqlx-offline-data: ## prepare sqlx offline data
 test: frontend ## Run tests
 	echo 'static/' && tree static || true
 	echo 'tree/' && tree assets || true
-	cargo test --all-features --no-fail-fast
+	cargo test --all-features --no-fail-fast -j 1
 
 xml-test-coverage: migrate  ## Generate cobertura.xml test coverage
 	cargo tarpaulin -t 1200 --out Xml