diff --git a/.codesandbox/ci.json b/.codesandbox/ci.json
new file mode 100644
index 000000000..969215419
--- /dev/null
+++ b/.codesandbox/ci.json
@@ -0,0 +1,6 @@
+{
+  "buildCommand": "build",
+  "packages": ["packages/theme-ui", "packages/core"],
+  "sandboxes": ["/examples/next", "/examples/gatsby-plugin"],
+  "node": "16"
+}