diff --git a/backend/requirements.txt b/backend/requirements.txt
index c70dd17..327a1eb 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -5,7 +5,7 @@ python-dateutil==2.9.0.post0
 pandas==3.0.3
 pyarrow==23.0.1
 duckdb==1.5.4
-h3==3.7.7
+h3==4.5.0
 python-dotenv==1.2.2
 httpx==0.28.1
 pydantic==2.13.4