diff --git a/setup.py b/setup.py
index d37533f3..26b6be02 100644
--- a/setup.py
+++ b/setup.py
@@ -40,7 +40,7 @@
         "dev": [
             "cfgv==3.4.0",
             "distlib==0.3.9",
-            "filelock==3.16.1",
+            "filelock==3.20.1",
             "identify==2.6.15",
             "nodeenv==1.9.1",
             "platformdirs==4.3.8",