diff --git a/workspace/requirements.txt b/workspace/requirements.txt
index dbb75f8f..a37a4e3b 100644
--- a/workspace/requirements.txt
+++ b/workspace/requirements.txt
@@ -31,7 +31,7 @@ langchain-core>=0.3.0
 opentelemetry-api>=1.24.0
 opentelemetry-sdk>=1.41.1
 # OTLP/HTTP exporter: sends spans to any OTEL collector and to Langfuse ≥4
-opentelemetry-exporter-otlp-proto-http>=1.24.0
+opentelemetry-exporter-otlp-proto-http>=1.41.1
 
 # SQLAlchemy — used by molecule_audit ledger (EU AI Act Annex III compliance)
 sqlalchemy>=2.0.0