diff --git a/poetry.lock b/poetry.lock
index a2bd374..9e075fb 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1,3 +1,20 @@
+[[package]]
+name = "anyio"
+version = "3.1.0"
+description = "High level compatibility layer for multiple asynchronous event loop implementations"
+category = "main"
+optional = false
+python-versions = ">=3.6.2"
+
+[package.dependencies]
+idna = ">=2.8"
+sniffio = ">=1.1"
+
+[package.extras]
+doc = ["sphinx-rtd-theme", "sphinx-autodoc-typehints (>=1.2.0)"]
+test = ["coverage[toml] (>=4.5)", "hypothesis (>=4.0)", "pytest (>=6.0)", "pytest-mock (>=3.6.1)", "trustme", "uvloop (<0.15)", "mock (>=4)", "uvloop (>=0.15)"]
+trio = ["trio (>=0.16)"]
+
 [[package]]
 name = "appdirs"
 version = "1.4.4"
@@ -115,14 +132,15 @@ python-versions = ">=3.6"
 
 [[package]]
 name = "httpcore"
-version = "0.12.3"
+version = "0.13.6"
 description = "A minimal low-level HTTP client."
 category = "main"
 optional = false
 python-versions = ">=3.6"
 
 [package.dependencies]
-h11 = "<1.0.0"
+anyio = ">=3.0.0,<4.0.0"
+h11 = ">=0.11,<0.13"
 sniffio = ">=1.0.0,<2.0.0"
 
 [package.extras]
@@ -130,7 +148,7 @@ http2 = ["h2 (>=3,<5)"]
 
 [[package]]
 name = "httpx"
-version = "0.16.1"
+version = "0.18.2"
 description = "The next generation HTTP client."
 category = "main"
 optional = false
@@ -138,12 +156,12 @@ python-versions = ">=3.6"
 
 [package.dependencies]
 certifi = "*"
-httpcore = ">=0.12.0,<0.13.0"
+httpcore = ">=0.13.3,<0.14.0"
 rfc3986 = {version = ">=1.3,<2", extras = ["idna2008"]}
 sniffio = "*"
 
 [package.extras]
-brotli = ["brotlipy (>=0.7.0,<0.8.0)"]
+brotli = ["brotlicffi (>=1.0.0,<2.0.0)"]
 http2 = ["h2 (>=3.0.0,<4.0.0)"]
 
 [[package]]
@@ -341,7 +359,7 @@ python-versions = "*"
 
 [[package]]
 name = "rfc3986"
-version = "1.4.0"
+version = "1.5.0"
 description = "Validating URI References per RFC 3986"
 category = "main"
 optional = false
@@ -422,9 +440,13 @@ 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 = "71c363414dc7052b48226836a05f10df641219002f1db07e0443f732cc7dfd41"
 
 [metadata.files]
+anyio = [
+    {file = "anyio-3.1.0-py3-none-any.whl", hash = "sha256:5e335cef65fbd1a422bbfbb4722e8e9a9fadbd8c06d5afe9cd614d12023f6e5a"},
+    {file = "anyio-3.1.0.tar.gz", hash = "sha256:43e20711a9d003d858d694c12356dc44ab82c03ccc5290313c3392fa349dad0e"},
+]
 appdirs = [
     {file = "appdirs-1.4.4-py2.py3-none-any.whl", hash = "sha256:a841dacd6b99318a741b166adb07e19ee71a274450e68237b4650ca1055ab128"},
     {file = "appdirs-1.4.4.tar.gz", hash = "sha256:7d5d0167b2b1ba821647616af46a749d1c653740dd0d2415100fe26e27afdf41"},
@@ -465,12 +487,12 @@ h11 = [
     {file = "h11-0.12.0.tar.gz", hash = "sha256:47222cb6067e4a307d535814917cd98fd0a57b6788ce715755fa2b6c28b56042"},
 ]
 httpcore = [
-    {file = "httpcore-0.12.3-py3-none-any.whl", hash = "sha256:93e822cd16c32016b414b789aeff4e855d0ccbfc51df563ee34d4dbadbb3bcdc"},
-    {file = "httpcore-0.12.3.tar.gz", hash = "sha256:37ae835fb370049b2030c3290e12ed298bf1473c41bb72ca4aa78681eba9b7c9"},
+    {file = "httpcore-0.13.6-py3-none-any.whl", hash = "sha256:db4c0dcb8323494d01b8c6d812d80091a31e520033e7b0120883d6f52da649ff"},
+    {file = "httpcore-0.13.6.tar.gz", hash = "sha256:b0d16f0012ec88d8cc848f5a55f8a03158405f4bca02ee49bc4ca2c1fda49f3e"},
 ]
 httpx = [
-    {file = "httpx-0.16.1-py3-none-any.whl", hash = "sha256:9cffb8ba31fac6536f2c8cde30df859013f59e4bcc5b8d43901cb3654a8e0a5b"},
-    {file = "httpx-0.16.1.tar.gz", hash = "sha256:126424c279c842738805974687e0518a94c7ae8d140cd65b9c4f77ac46ffa537"},
+    {file = "httpx-0.18.2-py3-none-any.whl", hash = "sha256:979afafecb7d22a1d10340bafb403cf2cb75aff214426ff206521fc79d26408c"},
+    {file = "httpx-0.18.2.tar.gz", hash = "sha256:9f99c15d33642d38bce8405df088c1c4cfd940284b4290cacbfb02e64f4877c6"},
 ]
 idna = [
     {file = "idna-3.1-py3-none-any.whl", hash = "sha256:5205d03e7bcbb919cc9c19885f9920d622ca52448306f2377daede5cf3faac16"},
@@ -618,8 +640,8 @@ 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..7575bb6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -12,7 +12,7 @@ markdown2 = "^2.4.0"
 imgkit = "^1.0.2"
 uvicorn = "^0.13.3"
 python-multipart = "^0.0.5"
-httpx = "^0.16.1"
+httpx = "^0.18.2"
 pydantic = {extras = ["dotenv"], version = "^1.7.3"}
 
 [tool.poetry.dev-dependencies]