diff --git a/requirements-test.txt b/requirements-test.txt
index 203e461..8e3d1e0 100644
--- a/requirements-test.txt
+++ b/requirements-test.txt
@@ -59,7 +59,7 @@ dill==0.3.9
     # via pylint
 distlib==0.3.9
     # via virtualenv
-filelock==3.16.1
+filelock==3.20.1
     # via
     #   tox
     #   virtualenv