diff --git a/requirements.txt b/requirements.txt
index b431fcf..79086d1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ fastapi[standard]==0.115.5
 uvicorn==0.32.1
 pydantic==2.10.1
 scikit-learn==1.5.2
-timezonefinder==6.5.4
+timezonefinder==6.5.5
 deap==1.4.1
 requests==2.32.3
 pandas==2.2.3