diff --git a/requirements.txt b/requirements.txt
index 7e86d8f..3c168ee 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -25,7 +25,7 @@ defcon==0.12.1
 dehinter==4.0.0
 Deprecated==1.2.18
 diffenator2==0.4.5
-filelock==3.18.0
+filelock==3.20.1
 font-v==2.1.0
 fontbakery==0.13.2
 fontFeatures==1.8.0