diff --git a/tox.ini b/tox.ini
index 2274b42e7..4b52fd316 100644
--- a/tox.ini
+++ b/tox.ini
@@ -35,9 +35,11 @@ deps =
      # happening at the time.  The versions selected here are just the current
      # versions at the time.  Bumping them to keep up with future releases is
      # fine as long as those releases are known to actually work.
-     pip==19.1.1
-     setuptools==41.0.1
-     wheel==0.33.4
+     #
+     # For now these are versions that support Python 2.
+     pip==20.3.4
+     setuptools==44.1.1
+     wheel==0.36.2
      subunitreporter==19.3.2
      # As an exception, we don't pin certifi because it contains CA
      # certificates which necessarily change over time.  Pinning this is