diff --git a/.aegir.js b/.aegir.js
new file mode 100644
index 0000000..8c9648c
--- /dev/null
+++ b/.aegir.js
@@ -0,0 +1,3 @@
+module.exports = {
+  bundlesize: { maxSize: '12kB' }
+}
diff --git a/.travis.yml b/.travis.yml
index e4af93b..fe286ad 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -14,7 +14,7 @@ jobs:
   include:
     - stage: check
       script:
-        - npx aegir commitlint --travis
+        - npx aegir build --bundlesize
         - npx aegir dep-check
         - npm run lint