diff --git a/setup.cfg b/setup.cfg
index 4a094604a..bba0d05e0 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -129,7 +129,7 @@ tests =
     rangehttpserver==1.2.0
     mock-ssh-server==0.9.1
     wget==3.2
-    filelock==3.3.2
+    filelock==3.4.0
     wsgidav==3.1.1
     crc32c==2.2.post0
     xmltodict==0.12.0