diff --git a/requirements.dev.txt b/requirements.dev.txt
index 8a3ae0a..b480635 100644
--- a/requirements.dev.txt
+++ b/requirements.dev.txt
@@ -1 +1 @@
-tox==3.25.0
\ No newline at end of file
+tox==4.4.6
\ No newline at end of file