diff --git a/tests/test-e2e-apps/metrics-basic-auth/requirements.txt b/tests/test-e2e-apps/metrics-basic-auth/requirements.txt
index 4686faa874..cf57f71ad3 100644
--- a/tests/test-e2e-apps/metrics-basic-auth/requirements.txt
+++ b/tests/test-e2e-apps/metrics-basic-auth/requirements.txt
@@ -1,2 +1,2 @@
 Flask==3.1.2
-prometheus_client==0.22.1
+prometheus_client==0.23.1