diff --git a/requirements.txt b/requirements.txt
index a232fef8..6b0bc88a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -33,7 +33,7 @@ exceptiongroup==1.3.0 ; python_full_version < '3.11'
     # via pytest
 execnet==2.1.1
     # via pytest-xdist
-filelock==3.19.1
+filelock==4.1.0
     # via
     #   tox
     #   virtualenv