diff --git a/requirements.txt b/requirements.txt
index 243835c..69000e0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,7 +10,7 @@ mdit-py-plugins==0.4.2
 bokeh==3.7.0
 uvicorn==0.34.0
 scikit-learn==1.6.1
-timezonefinder==6.5.8
+timezonefinder==6.5.9
 deap==1.4.2
 requests==2.32.3
 pandas==2.2.3