diff --git a/eng/dev_requirements.txt b/eng/dev_requirements.txt
index f9dee51e9c..1af2a78431 100644
--- a/eng/dev_requirements.txt
+++ b/eng/dev_requirements.txt
@@ -2,6 +2,6 @@ azure-pylint-guidelines-checker==0.0.8
 colorama==0.4.6
 debugpy==1.8.5
 pytest==8.3.2
-tox==4.16.0
+tox==4.18.0
 coverage==7.6.1
 black==24.8.0
diff --git a/eng/requirements.txt b/eng/requirements.txt
index 86ceee8dc3..c3cf0cc681 100644
--- a/eng/requirements.txt
+++ b/eng/requirements.txt
@@ -1,5 +1,5 @@
 # This is for CI requirements or dev only
 pyright==1.1.375
 pylint==3.2.6
-tox==4.16.0
+tox==4.18.0
 mypy==1.10.1