diff --git a/requirements-prod.txt b/requirements-prod.txt
index 577ded8..0a69756 100644
--- a/requirements-prod.txt
+++ b/requirements-prod.txt
@@ -14,7 +14,7 @@ psycopg-pool==3.2.4
 
 # ── Observability (opt-in via env vars) ──────────────────────────────────────
 prometheus-client==0.25.0
-opentelemetry-sdk==1.27.0
+opentelemetry-sdk==1.41.1
 opentelemetry-exporter-otlp-proto-http==1.27.0
 opentelemetry-instrumentation-fastapi==0.48b0
 sentry-sdk==2.18.0