diff --git a/pyhdtoolkit/version.py b/pyhdtoolkit/version.py
index 3c9b3f17..f3c84850 100644
--- a/pyhdtoolkit/version.py
+++ b/pyhdtoolkit/version.py
@@ -1,4 +1,4 @@
-VERSION = "1.3.1"
+VERSION = "1.3.2"
 
 
 def version_info() -> str:
diff --git a/pyproject.toml b/pyproject.toml
index 98c04753..7cb85dd0 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -61,7 +61,7 @@ dependencies = [
   "loguru < 1.0",
   "cpymad >= 1.9",
   "rich >= 12.0",
-  "pydantic >= 1.0",
+  "pydantic >= 1.0,<2.0",
   "pendulum >= 2.0",
   "optics-functions >= 0.1",
 ]