diff --git a/setup.cfg b/setup.cfg
index b0e27e1b1..964c754bf 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -132,7 +132,7 @@ tests =
     rangehttpserver==1.2.0
     mock-ssh-server==0.9.1
     wget==3.2
-    filelock==3.3.0
+    filelock==3.3.1
     wsgidav==3.1.1
     crc32c==2.2.post0
     xmltodict==0.12.0