diff --git a/pyproject.toml b/pyproject.toml
index d19f1f6..7e8544b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -42,7 +42,7 @@ tabulate = "0.8.10"
 
 
 [tool.poetry.group.dev.dependencies]
-tox = "4.16.0"
+tox = "4.26.0"
 
 
 [tool.poetry.group.test.dependencies]