diff --git a/requirements.txt b/requirements.txt
index acc34d6..ce09e58 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -15,6 +15,6 @@ mcp==2.2.0
 # verifies TLS against the system trust store (via truststore) rather than a
 # bundled certifi set, so the base image must provide ca-certificates —
 # python:3.x-slim does, and scripts/smoke_test.sh asserts it.
-httpx2>=2.12.0
+httpx2>=2.13.0
 # JWT verification of Pomerium's identity assertion (ES256 needs cryptography).
 pyjwt[crypto]>=2.13.0