diff --git a/pyproject.toml b/pyproject.toml
index 754a3b95..bc37b9e3 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -32,7 +32,7 @@ dependencies = [
     "OpenDSSDirect.py==0.8.4",
     "pandas~=2.2.3",
     "pvder~=0.6.0",
-    "pydantic~=2.5.3",
+    "pydantic>=2,<3",
     "pymongo~=4.11.3",
     "requests~=2.32.3",
     "scikit-learn~=1.6.1",
@@ -78,4 +78,4 @@ include = [
 ]
 
 [tool.hatch.build.targets.wheel]
-packages = ["src/pydss"]
\ No newline at end of file
+packages = ["src/pydss"]