diff --git a/requirements.txt b/requirements.txt
index 532cbc9..058e9be 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@
 
 ciso8601~=2.3.0 # To speed up influxDB queries
 geopy~=2.3.0
-openstef~=3.4.87
+openstef~=3.4.91
 mlflow-skinny>=3.5.1,<4.0.0
 pydantic-settings>=2.1.0,<3.0.0
 influxdb-client~=1.36.1