diff --git a/requirements/dev-requirements.txt b/requirements/dev-requirements.txt
index 2dd83ddd..a77a5323 100644
--- a/requirements/dev-requirements.txt
+++ b/requirements/dev-requirements.txt
@@ -340,9 +340,9 @@ fastjsonschema==2.22.2 \
     --hash=sha256:0fb3915616adac85ccfdd737d26be1089845d2019819505b42d39888458f74d4 \
     --hash=sha256:72064e12356a7d6ef02165be2946b9abadbdf238536e07eb587e3dbaa33099cf
     # via nbformat
-filelock==4.0.12 \
-    --hash=sha256:5f17ee83ecee8a6f3e389c75822fb70a1c2f0506b99438a6dffa1d56793588c8 \
-    --hash=sha256:cf42711a7ac791818b299fab0332a088c65aeeefa36290de98db92c434303b0c
+filelock==4.2.1 \
+    --hash=sha256:7be2662e9e826b9bba28afc0f843a123280d799a2ea44bb5d35ccec67905ae44 \
+    --hash=sha256:c4c937ccac2a813cee448e662a56366cfb374c0f8702e75f295c412cc1c5d5a3
     # via
     #   python-discovery
     #   virtualenv