diff --git a/requirements.txt b/requirements.txt
index 713ea46..0ad71ab 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -216,9 +216,9 @@ text-unidecode==1.2 \
     --hash=sha256:5a1375bb2ba7968740508ae38d92e1f889a0832913cb1c447d5e2046061a396d \
     --hash=sha256:801e38bd550b943563660a91de8d4b6fa5df60a542be9093f7abf819f86050cc \
     # via faker
-tox==2.9.1 \
-    --hash=sha256:752f5ec561c6c08c5ecb167d3b20f4f4ffc158c0ab78855701a75f5cef05f4b8 \
-    --hash=sha256:8af30fd835a11f3ff8e95176ccba5a4e60779df4d96a9dfefa1a1704af263225
+tox==3.23.1 \
+    --hash=sha256:307a81ddb82bd463971a273f33e9533a24ed22185f27db8ce3386bff27d324e3 \
+    --hash=sha256:b0b5818049a1c1997599d42012a637a33f24c62ab8187223fdd318fa8522637b
 traitlets==4.3.2 \
     --hash=sha256:9c4bd2d267b7153df9152698efb1050a5d84982d3384a37b2c1f7723ba3e7835 \
     --hash=sha256:c6cb5e6f57c5a9bdaa40fa71ce7b4af30298fbab9ece9815b5d995ab6217c7d9 \