diff --git a/.travis.yml b/.travis.yml
index 81eb823..654e9d2 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,7 +1,8 @@
 language: node_js
 node_js:
-  - "node"
+  - 'node'
 branches:
   except:
-  - trying.tmp
-  - staging.tmp
+    - trying.tmp
+    - staging.tmp
+after_success: sizereport --config
diff --git a/package.json b/package.json
index 1f187c7..09f4a36 100644
--- a/package.json
+++ b/package.json
@@ -97,6 +97,7 @@
     "regenerator-runtime": "^0.13.2",
     "rimraf": "^2.6.3",
     "shell-quote": "^1.6.1",
-    "strip-ansi": "^5.2.0"
+    "strip-ansi": "^5.2.0",
+    "travis-size-report": "^1.0.1"
   }
 }
diff --git a/sizereport.config.js b/sizereport.config.js
new file mode 100644
index 0000000..4e188d3
--- /dev/null
+++ b/sizereport.config.js
@@ -0,0 +1,5 @@
+module.exports = {
+	repo: 'developit/microbundle',
+	path: ['dist/!(*.js.map)', 'test/fixtures/**/dist/!(*.map)'],
+	branch: 'master',
+};