diff --git a/prompt-engineering-packt-main/prompt-engineering-developers-packt-main/requirements.txt b/prompt-engineering-packt-main/prompt-engineering-developers-packt-main/requirements.txt
index 370b52c..84bbe51 100644
--- a/prompt-engineering-packt-main/prompt-engineering-developers-packt-main/requirements.txt
+++ b/prompt-engineering-packt-main/prompt-engineering-developers-packt-main/requirements.txt
@@ -24,7 +24,7 @@ defusedxml==0.7.1
 distro==1.9.0
 executing==2.2.0
 fastjsonschema==2.21.1
-filelock==3.18.0
+filelock==3.20.1
 fqdn==1.5.1
 frozenlist==1.7.0
 fsspec==2025.7.0