diff --git a/dev-requirements.txt b/dev-requirements.txt
index 575502d..5a9e9c8 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -3,7 +3,7 @@ black
 
 # testing
 pytest
-tox>=4.53.0
+tox>=4.55.0
 mock
 
 # packaging