diff --git a/requirements.txt b/requirements.txt
index 7833d88..3648b2a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -21,7 +21,7 @@ streamlit==1.65.0
 prometheus-client==0.26.0
 opentelemetry-api==1.24.0
 opentelemetry-sdk==1.24.0
-opentelemetry-instrumentation-fastapi==0.45b0
+opentelemetry-instrumentation-fastapi==0.66b1
 
 # --- Experiment tracking ---
 mlflow==3.16.1