diff --git a/requirements.txt b/requirements.txt
index c8557e5..e7ed881 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -113,7 +113,7 @@ edc-view-utils==1.0.1
 edc-visit-schedule==4.1.1
 edc-visit-tracking==1.0.2
 edc-vitals==1.1.2
-filelock==3.18.0
+filelock==3.20.1
 fontawesomefree==6.6.0
 frozenlist==1.7.0
 gitdb==4.0.12