diff --git a/pyproject.toml b/pyproject.toml
index 62b48cf..6cc6df6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -15,7 +15,7 @@ dependencies = [
     "python-multipart",
     "h5py",
     "orjson",
-    "pydantic<2.0",
+    "pydantic<3.0",
 ]
 
 [project.optional-dependencies]
diff --git a/requirements-dev.txt b/requirements-dev.txt
index 15e5ae9..c204079 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -104,7 +104,7 @@ pluggy==1.3.0
     # via pytest
 pre-commit==3.5.0
     # via datahub (pyproject.toml)
-pydantic==1.10.13
+pydantic==2.4.2
     # via
     #   datahub (pyproject.toml)
     #   fastapi
diff --git a/requirements.txt b/requirements.txt
index c03393b..8f4ef3a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -36,7 +36,7 @@ orjson==3.9.7
     # via datahub (pyproject.toml)
 pandas[excel]==2.1.1
     # via datahub (pyproject.toml)
-pydantic==1.10.13
+pydantic==2.4.2
     # via
     #   datahub (pyproject.toml)
     #   fastapi