diff --git a/requirements.txt b/requirements.txt
index c93119f..f527bae 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -65,7 +65,7 @@ django-jinja-bootstrap-form==4.5.0
     # via -r requirements.in
 django-redis==7.0.0
     # via -r requirements.in
-filelock==3.25.2
+filelock==4.2.1
     # via
     #   python-discovery
     #   virtualenv