diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2b7d1c5..238f7ce 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -32,4 +32,4 @@ jobs:
         run: go vet ./...
 
       - name: Test
-        run: go test ./...
+        run: go test -p 1 ./...