diff --git a/broker/requirements.txt b/broker/requirements.txt
index 080033c..2fdac53 100644
--- a/broker/requirements.txt
+++ b/broker/requirements.txt
@@ -1,7 +1,7 @@
 fastapi==0.115.5
 uvicorn==0.32.1
 google-auth==2.48.0
-google-auth-oauthlib==1.2.1
+google-auth-oauthlib==1.4.0
 google-cloud-secret-manager==2.23.0
 httpx==0.28.1
 python-multipart==0.0.12