diff --git a/tox.ini b/tox.ini
index 5965ede9..a4a49714 100644
--- a/tox.ini
+++ b/tox.ini
@@ -48,7 +48,7 @@ description = verify build can run from source (bootstrap)
 setenv =
     PYTHONPATH = {toxinidir}/src
 commands =
-    python -E -m pip uninstall -y build
+    python -E -m pip uninstall -y build colorama
     pytest -ra {posargs:-n auto}
 
 [testenv:type]