diff --git a/requirements.txt b/requirements.txt
index 3442af3..95d80ec 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -16,7 +16,7 @@ cryptography==44.0.3
 Deprecated==1.2.18
 distro==1.9.0
 fastapi==0.115.12
-filelock==3.18.0
+filelock==3.20.1
 frozenlist==1.6.0
 fsspec==2025.3.0
 google-adk==0.5.0