diff --git a/requirements.txt b/requirements.txt
index 4817d74..ef57518 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -51,7 +51,7 @@ django-debug-toolbar==3.7.0
     # via -r requirements.in
 django-registration==3.3
     # via -r requirements.in
-filelock==3.16.1
+filelock==3.20.3
     # via virtualenv
 gunicorn==23.0.0
     # via -r requirements.in