diff --git a/pyproject.toml b/pyproject.toml
index 01501c6..19179d0 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -26,7 +26,7 @@ dependencies = [
   "numpy",
   "scipy",
   "matplotlib",
-  "pydantic",
+  "pydantic>=2.0.0",
 ]
 
 [project.urls]
diff --git a/src/quera_ahs_utils/quera_ir/capabilities.py b/src/quera_ahs_utils/quera_ir/capabilities.py
index e86a55f..1e1ca26 100644
--- a/src/quera_ahs_utils/quera_ir/capabilities.py
+++ b/src/quera_ahs_utils/quera_ir/capabilities.py
@@ -1,4 +1,4 @@
-from pydantic import BaseModel
+from pydantic.v1 import BaseModel
 
 __all__ = ["QuEraCapabilities"]
 
diff --git a/src/quera_ahs_utils/quera_ir/task_results.py b/src/quera_ahs_utils/quera_ir/task_results.py
index be51f4c..3482a4b 100644
--- a/src/quera_ahs_utils/quera_ir/task_results.py
+++ b/src/quera_ahs_utils/quera_ir/task_results.py
@@ -1,5 +1,5 @@
 from enum import Enum
-from pydantic import BaseModel, conlist, conint
+from pydantic.v1 import BaseModel, conlist, conint
 from typing import Callable, Optional, List, Tuple
 import numpy as np
 
diff --git a/src/quera_ahs_utils/quera_ir/task_specification.py b/src/quera_ahs_utils/quera_ir/task_specification.py
index 9f24d97..527b470 100644
--- a/src/quera_ahs_utils/quera_ir/task_specification.py
+++ b/src/quera_ahs_utils/quera_ir/task_specification.py
@@ -1,4 +1,4 @@
-from pydantic import BaseModel
+from pydantic.v1 import BaseModel
 from typing import Optional, List, Tuple, Union
 from decimal import Decimal