diff --git a/requirements-dev.txt b/requirements-dev.txt
index 4ae1d18..edbecd5 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -77,7 +77,7 @@ distlib==0.3.9
     # via virtualenv
 docutils==0.21.2
     # via readme-renderer
-filelock==3.18.0
+filelock==3.20.1
     # via virtualenv
 flake8==7.2.0
     # via