diff --git a/poetry.lock b/poetry.lock
index c0fa070..1a57e28 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -78,6 +78,34 @@ category = "main"
 optional = false
 python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,!=3.4.*,!=3.5.*,!=3.6.*,>=2.7"
 
+[[package]]
+name = "dnspython"
+version = "2.4.2"
+description = "DNS toolkit"
+category = "main"
+optional = false
+python-versions = ">=3.8,<4.0"
+
+[package.extras]
+dnssec = ["cryptography (>=2.6,<42.0)"]
+doh = ["h2 (>=4.1.0)", "httpcore (>=0.17.3)", "httpx (>=0.24.1)"]
+doq = ["aioquic (>=0.9.20)"]
+idna = ["idna (>=2.1,<4.0)"]
+trio = ["trio (>=0.14,<0.23)"]
+wmi = ["wmi (>=1.5.1,<2.0.0)"]
+
+[[package]]
+name = "email-validator"
+version = "2.0.0.post2"
+description = "A robust email address syntax and deliverability validation library."
+category = "main"
+optional = false
+python-versions = ">=3.7"
+
+[package.dependencies]
+dnspython = ">=2.0.0"
+idna = ">=2.0.0"
+
 [[package]]
 name = "exceptiongroup"
 version = "1.1.3"
@@ -289,6 +317,7 @@ optional = false
 python-versions = ">=3.7"
 
 [package.dependencies]
+email-validator = {version = ">=1.0.3", optional = true, markers = "extra == \"email\""}
 typing-extensions = ">=4.2.0"
 
 [package.extras]
@@ -499,7 +528,7 @@ standard = ["colorama (>=0.4)", "httptools (>=0.5.0)", "python-dotenv (>=0.13)",
 [metadata]
 lock-version = "1.1"
 python-versions = "^3.10"
-content-hash = "8ecc5eb44230bd93740d0e9b1d1892a3e678d7dbfd55f7481f2726ea24f1298f"
+content-hash = "7e4da6e1b140f0135e0d6607ae54bde3bff3f090bd3a1fee7a4f61f0babe1b78"
 
 [metadata.files]
 anyio = [
@@ -542,6 +571,14 @@ colorama = [
     {file = "colorama-0.4.6-py2.py3-none-any.whl", hash = "sha256:4f1d9991f5acc0ca119f9d443620b77f9d6b33703e51011c16baf57afb285fc6"},
     {file = "colorama-0.4.6.tar.gz", hash = "sha256:08695f5cb7ed6e0531a20572697297273c47b8cae5a63ffc6d6ed5c201be6e44"},
 ]
+dnspython = [
+    {file = "dnspython-2.4.2-py3-none-any.whl", hash = "sha256:57c6fbaaeaaf39c891292012060beb141791735dbb4004798328fc2c467402d8"},
+    {file = "dnspython-2.4.2.tar.gz", hash = "sha256:8dcfae8c7460a2f84b4072e26f1c9f4101ca20c071649cb7c34e8b6a93d58984"},
+]
+email-validator = [
+    {file = "email_validator-2.0.0.post2-py3-none-any.whl", hash = "sha256:2466ba57cda361fb7309fd3d5a225723c788ca4bbad32a0ebd5373b99730285c"},
+    {file = "email_validator-2.0.0.post2.tar.gz", hash = "sha256:1ff6e86044200c56ae23595695c54e9614f4a9551e0e393614f764860b3d7900"},
+]
 exceptiongroup = [
     {file = "exceptiongroup-1.1.3-py3-none-any.whl", hash = "sha256:343280667a4585d195ca1cf9cef84a4e178c4b6cf2274caef9859782b567d5e3"},
     {file = "exceptiongroup-1.1.3.tar.gz", hash = "sha256:097acd85d473d75af5bb98e41b61ff7fe35efe6675e4f9370ec6ec5126d160e9"},
diff --git a/pyproject.toml b/pyproject.toml
index b9f949c..9d4449a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -14,6 +14,7 @@ starlette = "^0.31.1"
 flake8 = "^6.1.0"
 sqlmodel = "^0.0.8"
 uvicorn = "^0.23.2"
+pydantic = {version = "^1", extras = ["email"]}
 
 [tool.poetry.group.dev.dependencies]
 black = "^23.9.1"