diff --git a/pyproject.toml b/pyproject.toml
index f720ba241..541244f75 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -27,7 +27,7 @@ classifiers = [
 ]
 requires-python = ">=3.9"
 dependencies = [
-    "pydantic~=2.12.5",
+    "pydantic>=2.12.5,<2.14.0",
     "jinja2~=3.1.6",
     "tenacity~=9.1.2",
     "lazy-loader~=0.4",
@@ -77,7 +77,7 @@ docs = [
     "mkdocs~=1.6.1",
     "mkdocs-material~=9.6.8",
     "mkdocstrings[python]~=0.29.1",
-    "pydantic~=2.12.5",
+    "pydantic>=2.12.5,<2.14.0",
     "jinja2~=3.1.6",
     "networkx~=3.2.1",
     "tenacity~=9.1.2",