diff --git a/tox.ini b/tox.ini
index 4d76a0a..b4a83a6 100644
--- a/tox.ini
+++ b/tox.ini
@@ -15,7 +15,7 @@ python =
     3.7: py37
     3.8: py38
     3.9: py39
-    3.10: py10
+    3.10: py310
     pypy3: pypy3
 
 [testenv]