diff --git a/requirements-dev.txt b/requirements-dev.txt
index 5bec5b5..22b93a5 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -15,7 +15,7 @@ distlib==0.3.8
     # via virtualenv
 exceptiongroup==1.2.2 ; python_full_version < '3.11'
     # via pytest
-filelock==3.20.1
+filelock==3.20.3
     # via
     #   tox
     #   virtualenv
@@ -66,7 +66,7 @@ typing-extensions==4.15.0
     #   mypy
     #   tox
     #   virtualenv
-virtualenv==20.35.4
+virtualenv==20.36.1
     # via
     #   pre-commit
     #   tox