diff --git a/sandboxed_api/.bazelci/presubmit.yml b/sandboxed_api/.bazelci/presubmit.yml
new file mode 100644
index 0000000..7bb67a1
--- /dev/null
+++ b/sandboxed_api/.bazelci/presubmit.yml
@@ -0,0 +1,5 @@
+---
+tasks:
+  ubuntu1804:
+    build_targets:
+    - "..."