diff --git a/appveyor.yml b/appveyor.yml
index 7c4ac06e1d2e1da4c9fde35d732199d6f213b5f0..65328926b9409461477b8d7de89575fc506ce3ae 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -24,7 +24,7 @@ install:
   - cmd: conda install conda-build anaconda-client pytest-cov
   # https://pythonhosted.org/CodeChat/appveyor.yml.html
   - cmd: python -m pip install -U pip
-  #- cmd: python -m easy_install -U setuptools
+  - cmd: python -m easy_install -U setuptools
 
 build_script:
   - cmd: python setup.py install