diff --git a/requirements-dev.txt b/requirements-dev.txt
index 49bdaed..a1a45ce 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -6,7 +6,7 @@ colorlog==6.10.1
     # via gcovr
 distlib==0.4.0
     # via virtualenv
-filelock==3.20.1
+filelock==3.20.3
     # via virtualenv
 gcovr==8.4
     # via -r requirements-dev.in