diff --git a/backend/fastapi/requirements.txt b/backend/fastapi/requirements.txt
index 7642d24..7056853 100644
--- a/backend/fastapi/requirements.txt
+++ b/backend/fastapi/requirements.txt
@@ -1,13 +1,13 @@
-fastapi>=0.143.0
+fastapi>=0.162.0
 uvicorn[standard]>=0.54.0
 shapely>=2.2.0
 python-multipart>=0.0.32
-sqlalchemy>=2.1.4
+sqlalchemy>=2.1.6
 geoalchemy2>=0.20.0
 psycopg2-binary>=2.9.13
 python-dotenv>=1.2.4
 geopandas>=1.2.0
 pyogrio>=0.13.0
-polars>=2.0.0
-duckdb>=1.5.6
-libpysal>=4.15.0
+polars>=2.1.0
+duckdb>=2.0.0
+libpysal>=4.15.1