diff --git a/pyproject.toml b/pyproject.toml
index 1cc63c9..f9ea08a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -29,7 +29,7 @@ dependencies = [
     "pyogrio==0.7.2",
     "pyproj==3.6.1",
     "Flask==3.0.2",
-    "Flask-Cors==4.0.1",
+    "Flask-Cors==5.0.0",
     "geopandas>=1.0.0",
     "requests==2.32.2",
     "igraph==0.11.4",