diff --git a/requirements_dev.txt b/requirements_dev.txt
index 8f560879..8f1bfcb3 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -10,7 +10,7 @@ coverage==7.9.2
 distlib==0.3.9
 docutils==0.21.2
 entrypoints==0.4
-filelock==3.18.0
+filelock==3.20.1
 flake8==7.3.0
 grpcio-tools==1.73.1
 grpcio==1.73.1