diff --git a/eng/dev_requirements.txt b/eng/dev_requirements.txt
index 5f83bb53c3..6c493bff23 100644
--- a/eng/dev_requirements.txt
+++ b/eng/dev_requirements.txt
@@ -3,6 +3,6 @@ invoke==2.2.0
 colorama==0.4.6
 debugpy==1.8.2
 pytest==8.2.2
-tox==4.15.1
+tox==4.16.0
 coverage==7.5.4
 black==24.4.2
diff --git a/eng/requirements.txt b/eng/requirements.txt
index 059a6c1344..9b82ff278b 100644
--- a/eng/requirements.txt
+++ b/eng/requirements.txt
@@ -1,5 +1,5 @@
 # This is for CI requirements or dev only
 pyright==1.1.370
 pylint==3.1.0
-tox==4.15.1
+tox==4.16.0
 mypy==1.10.1