diff --git a/appveyor.yml b/appveyor.yml
index a7906477..38fe0205 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -18,6 +18,7 @@ install:
   - "pip install cffi"
   - "pip install pyopenssl"
   - "pip install certauth boto3 youtube-dl"
+  - "pip install codecov"
 
 build_script:
   - "python setup.py install"