diff --git a/pkgs/development/python-modules/filelock/default.nix b/pkgs/development/python-modules/filelock/default.nix
index cfa0e1be74f5..80e3429b644a 100644
--- a/pkgs/development/python-modules/filelock/default.nix
+++ b/pkgs/development/python-modules/filelock/default.nix
@@ -2,11 +2,11 @@
 
 buildPythonPackage rec {
   pname = "filelock";
-  version = "3.0.6";
+  version = "3.0.9";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "59ccab92fe118da7e5ce5a9fcd95506ade58d9d5f606db4922192524edfac820";
+    sha256 = "97694f181bdf58f213cca0a7cb556dc7bf90e2f8eb9aa3151260adac56701afb";
   };
 
   meta = with stdenv.lib; {