diff --git a/poetry.lock b/poetry.lock
index a2bd374..5e3b660 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -258,19 +258,19 @@ python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
 
 [[package]]
 name = "pydantic"
-version = "1.7.3"
+version = "1.8.2"
 description = "Data validation and settings management using python 3.6 type hinting"
 category = "main"
 optional = false
-python-versions = ">=3.6"
+python-versions = ">=3.6.1"
 
 [package.dependencies]
 python-dotenv = {version = ">=0.10.4", optional = true, markers = "extra == \"dotenv\""}
+typing-extensions = ">=3.7.4.3"
 
 [package.extras]
 dotenv = ["python-dotenv (>=0.10.4)"]
 email = ["email-validator (>=1.0.3)"]
-typing_extensions = ["typing-extensions (>=3.7.2)"]
 
 [[package]]
 name = "pyflakes"
@@ -341,7 +341,7 @@ python-versions = "*"
 
 [[package]]
 name = "rfc3986"
-version = "1.4.0"
+version = "1.5.0"
 description = "Validating URI References per RFC 3986"
 category = "main"
 optional = false
@@ -400,7 +400,7 @@ python-versions = "*"
 name = "typing-extensions"
 version = "3.7.4.3"
 description = "Backported and Experimental Type Hints for Python 3.5+"
-category = "dev"
+category = "main"
 optional = false
 python-versions = "*"
 
@@ -422,7 +422,7 @@ standard = ["websockets (>=8.0.0,<9.0.0)", "watchgod (>=0.6,<0.7)", "python-dote
 [metadata]
 lock-version = "1.1"
 python-versions = "^3.8"
-content-hash = "74ad9709c43866ce42596a6403a73373edc7ccef9ae8d5fcaecfc3a8399e9981"
+content-hash = "00a3b6e14e633a603aba4ddc5891da1a38454e57381104d9b20bb97bba51ef0e"
 
 [metadata.files]
 appdirs = [
@@ -532,28 +532,28 @@ pycodestyle = [
     {file = "pycodestyle-2.6.0.tar.gz", hash = "sha256:c58a7d2815e0e8d7972bf1803331fb0152f867bd89adf8a01dfd55085434192e"},
 ]
 pydantic = [
-    {file = "pydantic-1.7.3-cp36-cp36m-macosx_10_9_x86_64.whl", hash = "sha256:c59ea046aea25be14dc22d69c97bee629e6d48d2b2ecb724d7fe8806bf5f61cd"},
-    {file = "pydantic-1.7.3-cp36-cp36m-manylinux1_i686.whl", hash = "sha256:a4143c8d0c456a093387b96e0f5ee941a950992904d88bc816b4f0e72c9a0009"},
-    {file = "pydantic-1.7.3-cp36-cp36m-manylinux2014_i686.whl", hash = "sha256:d8df4b9090b595511906fa48deda47af04e7d092318bfb291f4d45dfb6bb2127"},
-    {file = "pydantic-1.7.3-cp36-cp36m-manylinux2014_x86_64.whl", hash = "sha256:514b473d264671a5c672dfb28bdfe1bf1afd390f6b206aa2ec9fed7fc592c48e"},
-    {file = "pydantic-1.7.3-cp36-cp36m-win_amd64.whl", hash = "sha256:dba5c1f0a3aeea5083e75db9660935da90216f8a81b6d68e67f54e135ed5eb23"},
-    {file = "pydantic-1.7.3-cp37-cp37m-macosx_10_9_x86_64.whl", hash = "sha256:59e45f3b694b05a69032a0d603c32d453a23f0de80844fb14d55ab0c6c78ff2f"},
-    {file = "pydantic-1.7.3-cp37-cp37m-manylinux1_i686.whl", hash = "sha256:5b24e8a572e4b4c18f614004dda8c9f2c07328cb5b6e314d6e1bbd536cb1a6c1"},
-    {file = "pydantic-1.7.3-cp37-cp37m-manylinux2014_i686.whl", hash = "sha256:b2b054d095b6431cdda2f852a6d2f0fdec77686b305c57961b4c5dd6d863bf3c"},
-    {file = "pydantic-1.7.3-cp37-cp37m-manylinux2014_x86_64.whl", hash = "sha256:025bf13ce27990acc059d0c5be46f416fc9b293f45363b3d19855165fee1874f"},
-    {file = "pydantic-1.7.3-cp37-cp37m-win_amd64.whl", hash = "sha256:6e3874aa7e8babd37b40c4504e3a94cc2023696ced5a0500949f3347664ff8e2"},
-    {file = "pydantic-1.7.3-cp38-cp38-macosx_10_9_x86_64.whl", hash = "sha256:e682f6442ebe4e50cb5e1cfde7dda6766fb586631c3e5569f6aa1951fd1a76ef"},
-    {file = "pydantic-1.7.3-cp38-cp38-manylinux1_i686.whl", hash = "sha256:185e18134bec5ef43351149fe34fda4758e53d05bb8ea4d5928f0720997b79ef"},
-    {file = "pydantic-1.7.3-cp38-cp38-manylinux2014_i686.whl", hash = "sha256:f5b06f5099e163295b8ff5b1b71132ecf5866cc6e7f586d78d7d3fd6e8084608"},
-    {file = "pydantic-1.7.3-cp38-cp38-manylinux2014_x86_64.whl", hash = "sha256:24ca47365be2a5a3cc3f4a26dcc755bcdc9f0036f55dcedbd55663662ba145ec"},
-    {file = "pydantic-1.7.3-cp38-cp38-win_amd64.whl", hash = "sha256:d1fe3f0df8ac0f3a9792666c69a7cd70530f329036426d06b4f899c025aca74e"},
-    {file = "pydantic-1.7.3-cp39-cp39-macosx_10_9_x86_64.whl", hash = "sha256:f6864844b039805add62ebe8a8c676286340ba0c6d043ae5dea24114b82a319e"},
-    {file = "pydantic-1.7.3-cp39-cp39-manylinux1_i686.whl", hash = "sha256:ecb54491f98544c12c66ff3d15e701612fc388161fd455242447083350904730"},
-    {file = "pydantic-1.7.3-cp39-cp39-manylinux2014_i686.whl", hash = "sha256:ffd180ebd5dd2a9ac0da4e8b995c9c99e7c74c31f985ba090ee01d681b1c4b95"},
-    {file = "pydantic-1.7.3-cp39-cp39-manylinux2014_x86_64.whl", hash = "sha256:8d72e814c7821125b16f1553124d12faba88e85405b0864328899aceaad7282b"},
-    {file = "pydantic-1.7.3-cp39-cp39-win_amd64.whl", hash = "sha256:475f2fa134cf272d6631072554f845d0630907fce053926ff634cc6bc45bf1af"},
-    {file = "pydantic-1.7.3-py3-none-any.whl", hash = "sha256:38be427ea01a78206bcaf9a56f835784afcba9e5b88fbdce33bbbfbcd7841229"},
-    {file = "pydantic-1.7.3.tar.gz", hash = "sha256:213125b7e9e64713d16d988d10997dabc6a1f73f3991e1ff8e35ebb1409c7dc9"},
+    {file = "pydantic-1.8.2-cp36-cp36m-macosx_10_9_x86_64.whl", hash = "sha256:05ddfd37c1720c392f4e0d43c484217b7521558302e7069ce8d318438d297739"},
+    {file = "pydantic-1.8.2-cp36-cp36m-manylinux1_i686.whl", hash = "sha256:a7c6002203fe2c5a1b5cbb141bb85060cbff88c2d78eccbc72d97eb7022c43e4"},
+    {file = "pydantic-1.8.2-cp36-cp36m-manylinux2014_i686.whl", hash = "sha256:589eb6cd6361e8ac341db97602eb7f354551482368a37f4fd086c0733548308e"},
+    {file = "pydantic-1.8.2-cp36-cp36m-manylinux2014_x86_64.whl", hash = "sha256:10e5622224245941efc193ad1d159887872776df7a8fd592ed746aa25d071840"},
+    {file = "pydantic-1.8.2-cp36-cp36m-win_amd64.whl", hash = "sha256:99a9fc39470010c45c161a1dc584997f1feb13f689ecf645f59bb4ba623e586b"},
+    {file = "pydantic-1.8.2-cp37-cp37m-macosx_10_9_x86_64.whl", hash = "sha256:a83db7205f60c6a86f2c44a61791d993dff4b73135df1973ecd9eed5ea0bda20"},
+    {file = "pydantic-1.8.2-cp37-cp37m-manylinux1_i686.whl", hash = "sha256:41b542c0b3c42dc17da70554bc6f38cbc30d7066d2c2815a94499b5684582ecb"},
+    {file = "pydantic-1.8.2-cp37-cp37m-manylinux2014_i686.whl", hash = "sha256:ea5cb40a3b23b3265f6325727ddfc45141b08ed665458be8c6285e7b85bd73a1"},
+    {file = "pydantic-1.8.2-cp37-cp37m-manylinux2014_x86_64.whl", hash = "sha256:18b5ea242dd3e62dbf89b2b0ec9ba6c7b5abaf6af85b95a97b00279f65845a23"},
+    {file = "pydantic-1.8.2-cp37-cp37m-win_amd64.whl", hash = "sha256:234a6c19f1c14e25e362cb05c68afb7f183eb931dd3cd4605eafff055ebbf287"},
+    {file = "pydantic-1.8.2-cp38-cp38-macosx_10_9_x86_64.whl", hash = "sha256:021ea0e4133e8c824775a0cfe098677acf6fa5a3cbf9206a376eed3fc09302cd"},
+    {file = "pydantic-1.8.2-cp38-cp38-manylinux1_i686.whl", hash = "sha256:e710876437bc07bd414ff453ac8ec63d219e7690128d925c6e82889d674bb505"},
+    {file = "pydantic-1.8.2-cp38-cp38-manylinux2014_i686.whl", hash = "sha256:ac8eed4ca3bd3aadc58a13c2aa93cd8a884bcf21cb019f8cfecaae3b6ce3746e"},
+    {file = "pydantic-1.8.2-cp38-cp38-manylinux2014_x86_64.whl", hash = "sha256:4a03cbbe743e9c7247ceae6f0d8898f7a64bb65800a45cbdc52d65e370570820"},
+    {file = "pydantic-1.8.2-cp38-cp38-win_amd64.whl", hash = "sha256:8621559dcf5afacf0069ed194278f35c255dc1a1385c28b32dd6c110fd6531b3"},
+    {file = "pydantic-1.8.2-cp39-cp39-macosx_10_9_x86_64.whl", hash = "sha256:8b223557f9510cf0bfd8b01316bf6dd281cf41826607eada99662f5e4963f316"},
+    {file = "pydantic-1.8.2-cp39-cp39-manylinux1_i686.whl", hash = "sha256:244ad78eeb388a43b0c927e74d3af78008e944074b7d0f4f696ddd5b2af43c62"},
+    {file = "pydantic-1.8.2-cp39-cp39-manylinux2014_i686.whl", hash = "sha256:05ef5246a7ffd2ce12a619cbb29f3307b7c4509307b1b49f456657b43529dc6f"},
+    {file = "pydantic-1.8.2-cp39-cp39-manylinux2014_x86_64.whl", hash = "sha256:54cd5121383f4a461ff7644c7ca20c0419d58052db70d8791eacbbe31528916b"},
+    {file = "pydantic-1.8.2-cp39-cp39-win_amd64.whl", hash = "sha256:4be75bebf676a5f0f87937c6ddb061fa39cbea067240d98e298508c1bda6f3f3"},
+    {file = "pydantic-1.8.2-py3-none-any.whl", hash = "sha256:fec866a0b59f372b7e776f2d7308511784dace622e0992a0b59ea3ccee0ae833"},
+    {file = "pydantic-1.8.2.tar.gz", hash = "sha256:26464e57ccaafe72b7ad156fdaa4e9b9ef051f69e175dbbb463283000c05ab7b"},
 ]
 pyflakes = [
     {file = "pyflakes-2.2.0-py2.py3-none-any.whl", hash = "sha256:0d94e0e05a19e57a99444b6ddcf9a6eb2e5c68d3ca1e98e90707af8152c90a92"},
@@ -618,8 +618,8 @@ regex = [
     {file = "regex-2020.11.13.tar.gz", hash = "sha256:83d6b356e116ca119db8e7c6fc2983289d87b27b3fac238cfe5dca529d884562"},
 ]
 rfc3986 = [
-    {file = "rfc3986-1.4.0-py2.py3-none-any.whl", hash = "sha256:af9147e9aceda37c91a05f4deb128d4b4b49d6b199775fd2d2927768abdc8f50"},
-    {file = "rfc3986-1.4.0.tar.gz", hash = "sha256:112398da31a3344dc25dbf477d8df6cb34f9278a94fee2625d89e4514be8bb9d"},
+    {file = "rfc3986-1.5.0-py2.py3-none-any.whl", hash = "sha256:a86d6e1f5b1dc238b218b012df0aa79409667bb209e58da56d0b94704e712a97"},
+    {file = "rfc3986-1.5.0.tar.gz", hash = "sha256:270aaf10d87d0d4e095063c65bf3ddbc6ee3d0b226328ce21e036f946e421835"},
 ]
 six = [
     {file = "six-1.15.0-py2.py3-none-any.whl", hash = "sha256:8b74bedcbbbaca38ff6d7491d76f2b06b3592611af620f8426e82dddb04a5ced"},
diff --git a/pyproject.toml b/pyproject.toml
index b1a179a..7af216e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -13,7 +13,7 @@ imgkit = "^1.0.2"
 uvicorn = "^0.13.3"
 python-multipart = "^0.0.5"
 httpx = "^0.16.1"
-pydantic = {extras = ["dotenv"], version = "^1.7.3"}
+pydantic = {extras = ["dotenv"], version = "^1.8.2"}
 
 [tool.poetry.dev-dependencies]
 mypy = "^0.790"