diff --git a/ch6/microservices/lanarky/requirements.txt b/ch6/microservices/lanarky/requirements.txt
index b839459..aea6ccd 100644
--- a/ch6/microservices/lanarky/requirements.txt
+++ b/ch6/microservices/lanarky/requirements.txt
@@ -31,5 +31,5 @@ tenacity==8.2.3
 tiktoken==0.5.2
 typing-extensions==4.5.0
 typing-inspect==0.9.0
-urllib3==1.26.15
+urllib3==1.26.18
 yarl==1.9.4
\ No newline at end of file