diff --git a/appveyor.yml b/appveyor.yml
index 5b1a8ef..5ff5ed2 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -84,6 +84,7 @@ test_script:
 
 after_test:
   # If tests are successful, create binary packages for the project.
+  - "pip install wheel"
   - "python setup.py bdist_wheel"
   - ps: "ls dist"