diff --git a/requirements/dev.txt b/requirements/dev.txt
index e059884..2287a2d 100644
--- a/requirements/dev.txt
+++ b/requirements/dev.txt
@@ -14,7 +14,7 @@ colorama==0.4.6
     # via tox
 distlib==0.3.8
     # via virtualenv
-filelock==3.15.4
+filelock==3.20.3
     # via
     #   tox
     #   virtualenv
@@ -71,7 +71,7 @@ typing-extensions==4.12.2
     # via
     #   -r typing.txt
     #   mypy
-virtualenv==20.26.3
+virtualenv==20.36.1
     # via
     #   pre-commit
     #   tox