diff --git a/code/function/requirements.txt b/code/function/requirements.txt
index db2efaf..cb3e326 100644
--- a/code/function/requirements.txt
+++ b/code/function/requirements.txt
@@ -6,7 +6,7 @@
 azure-functions~=1.21.3
 fastapi~=0.115.5
 pydantic-settings~=2.6.1
-httpx~=0.27.2
+httpx~=0.28.0
 azure-monitor-opentelemetry-exporter==1.0.0b32
 opentelemetry-instrumentation-fastapi==0.49b2
 opentelemetry-instrumentation-httpx~=0.49b2