diff --git a/requirements-dev.txt b/requirements-dev.txt
index aebdd34..7d020b6 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -7,6 +7,7 @@ requests
 Sphinx
 tox
 twine
+wheel
 
 # These are the optional dependencies to enable TAP version 13 support.
 more-itertools