1 files changed, 1 insertions, 2 deletions
diff --git a/tox.ini b/tox.ini
index 2bbaf911..6d756c0c 100644
--- a/tox.ini
+++ b/tox.ini
@@ -17,8 +17,7 @@ deps =
     -r requirements/pytest.pip
     # gevent 1.3 causes a failure: https://github.com/nedbat/coveragepy/issues/663
     py{36}: gevent==1.2.2
-    py{36,37,38}: eventlet==0.25.1
-    py{36,37,38}: greenlet==0.4.15
+    py{36,37,38,39,310}: -r requirements/light-threads.pip
 
 # Windows can't update the pip version with pip running, so use Python
 # to install things.