update gunicorn

poetry.lock

@@ -299,15 +299,16 @@ python-versions = "*"
 
 [[package]]
 name = "gunicorn"
-version = "19.10.0"
+version = "20.1.0"
 description = "WSGI HTTP Server for UNIX"
 category = "main"
 optional = false
-python-versions = ">=2.6, !=3.0.*, !=3.1.*"
+python-versions = ">=3.5"
 
 [package.extras]
-eventlet = ["eventlet (>=0.9.7)"]
-gevent = ["gevent (>=0.13)"]
+eventlet = ["eventlet (>=0.24.1)"]
+gevent = ["gevent (>=1.4.0)"]
+setproctitle = ["setproctitle"]
 tornado = ["tornado (>=0.2)"]
 
 [[package]]
@@ -666,7 +667,7 @@ brotli = ["brotli"]
 [metadata]
 lock-version = "1.1"
 python-versions = "^3.9"
-content-hash = "d92bc5b77185d1398c29de406f936fc79abaf6cd82ddb364ef9b6238d165a18d"
+content-hash = "c491f605092858575be6858fbed2a379b9e1f93c75920ac3ef2e62ed2ad778fb"
 
 [metadata.files]
 attrs = [
@@ -822,8 +823,7 @@ et-xmlfile = [
     {file = "et_xmlfile-1.0.1.tar.gz", hash = "sha256:614d9722d572f6246302c4491846d2c393c199cfa4edc9af593437691683335b"},
 ]
 gunicorn = [
-    {file = "gunicorn-19.10.0-py2.py3-none-any.whl", hash = "sha256:c3930fe8de6778ab5ea716cab432ae6335fa9f03b3f2c3e02529214c476f4bcb"},
-    {file = "gunicorn-19.10.0.tar.gz", hash = "sha256:f9de24e358b841567063629cd0a656b26792a41e23a24d0dcb40224fc3940081"},
+    {file = "gunicorn-20.1.0.tar.gz", hash = "sha256:e0a968b5ba15f8a328fdfd7ab1fcb5af4470c28aaf7e55df02a99bc13138e6e8"},
 ]
 idna = [
     {file = "idna-2.10-py2.py3-none-any.whl", hash = "sha256:b97d804b1e9b523befed77c48dacec60e6dcb0b5391d57af6a65a312a90648c0"},

pyproject.toml

@@ -34,7 +34,7 @@ jsonschema = "^3.2.0"
 mailjet-rest = "^1.3.3"
 Markdown = "^3.2.2"
 uWSGI = "^2.0.18"
-gunicorn = "^19.9.0"
+gunicorn = "^20.1.0"
 Pillow = "^8.1.2"
 
 [tool.poetry.dev-dependencies]