diff --git a/pyproject.toml b/pyproject.toml
index 8eaf964..5befabb 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -19,7 +19,7 @@ classifiers = ["Programming Language :: Python :: 3"]
 dependencies = [
     "cryptography >= 42.0.7",
     "fastapi >= 0.105.0",
-    "pvsite-datamodel >= 1.0.37",
+    "pvsite-datamodel >= 1.0.40",
     "pyjwt >= 2.8.0",
     "pyproj >= 3.3.0",
     "pytz >= 2023.3",