diff --git a/tox.ini b/tox.ini
index 975d04e..ae7ef2b 100644
--- a/tox.ini
+++ b/tox.ini
@@ -3,9 +3,8 @@ envlist = py{36,37,38,39,310-dev}
 isolated_build = True
 
 [testenv]
-deps = poetry
+deps = poetry==1.2.0a2
 skip_install = True
 commands =
-    poetry config experimental.new-installer false  # python 3.10 doesn't work with new installer :(
     poetry install --no-root
     pytest