diff --git a/.appveyor.yml b/.appveyor.yml
index 2e1a477fc..6b3933f9e 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -18,6 +18,8 @@ install:
   - "python -c \"from OpenSSL import SSL; print(SSL.SSLeay_version(SSL.SSLEAY_VERSION))\""
 test_script:
   - "py.test --timeout 60 --cov netlib --cov mitmproxy --cov pathod"
+after_test:
+  - bash <(curl -s https://codecov.io/bash)
 cache:
   - C:\Users\appveyor\AppData\Local\pip\cache
 deploy_script: