diff --git a/requirements.in b/requirements.in
index a85caacf..87ed9a3c 100644
--- a/requirements.in
+++ b/requirements.in
@@ -405,7 +405,7 @@ toolz==1.1.0
     #   partd
 tornado==6.5.5
     # via distributed
-tox==4.53.1
+tox==4.55.0
     # via mozilla-jetstream
 types-futures==3.3.8
     # via mozilla-jetstream
diff --git a/requirements.txt b/requirements.txt
index 9eb3a49e..0375c2d9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2528,9 +2528,9 @@ tornado==6.5.5 \
     # via
     #   -r requirements.in
     #   distributed
-tox==4.53.1 \
-    --hash=sha256:4a9948607e976a337c22d64a1b4fafd486125e82f00ab6ce32fa6cacc23f48b1 \
-    --hash=sha256:7be9805ed4a34242510c7acc9a7e3a01a35942e08f31f8bd69067c3a37130afc
+tox==4.55.0 \
+    --hash=sha256:7ede1e1e70f8fe984f7985d7ca58a1e1c15fe9f8715897e38accc607c8de9f70 \
+    --hash=sha256:83603a222e7e2ffbeb9e92ed6516e31a0ce355b37aea13c82a2c5344274a9391
     # via -r requirements.in
 types-futures==3.3.8 \
     --hash=sha256:6fe8ccc2c2af7ef2fdd9bf73eab6d617074f09f30ad7d373510b4043d39c42de \