diff --git a/poetry.lock b/poetry.lock
index ccf71e6f..6c5022b7 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -219,7 +219,7 @@ yaml = ["ruamel.yaml"]
 
 [[package]]
 name = "flake8"
-version = "3.9.0"
+version = "3.9.1"
 description = "the modular source code checker: pep8 pyflakes and co"
 category = "dev"
 optional = false
@@ -917,7 +917,7 @@ testing = ["pytest (>=4.6)", "pytest-checkdocs (>=1.2.3)", "pytest-flake8", "pyt
 [metadata]
 lock-version = "1.1"
 python-versions = "^3.7"
-content-hash = "8791fbcabad944f707a8317bc2a567a3ba7a33d6590b9d51b2178aa91b55cf2c"
+content-hash = "fc3d4412f1afdb6f77bf5b84da7c63f51af3f301ae091c7c30a67d9c1a57d9d1"
 
 [metadata.files]
 aiohttp = [
@@ -1080,8 +1080,8 @@ dynaconf = [
     {file = "dynaconf-3.1.4.tar.gz", hash = "sha256:b2f472d83052f809c5925565b8a2ba76a103d5dc1dbb9748b693ed67212781b9"},
 ]
 flake8 = [
-    {file = "flake8-3.9.0-py2.py3-none-any.whl", hash = "sha256:12d05ab02614b6aee8df7c36b97d1a3b2372761222b19b58621355e82acddcff"},
-    {file = "flake8-3.9.0.tar.gz", hash = "sha256:78873e372b12b093da7b5e5ed302e8ad9e988b38b063b61ad937f26ca58fc5f0"},
+    {file = "flake8-3.9.1-py2.py3-none-any.whl", hash = "sha256:3b9f848952dddccf635be78098ca75010f073bfe14d2c6bda867154bea728d2a"},
+    {file = "flake8-3.9.1.tar.gz", hash = "sha256:1aa8990be1e689d96c745c5682b687ea49f2e05a443aff1f8251092b0014e378"},
 ]
 "hurry.filesize" = [
     {file = "hurry.filesize-0.9.tar.gz", hash = "sha256:f5368329adbef86accd3bc9490522340bb79260455ae89b1a42c10f63801b9a6"},
diff --git a/pyproject.toml b/pyproject.toml
index fd6d852a..89139cc4 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -39,7 +39,7 @@ mypy = "^0.800"
 sphinx-autodoc-typehints = "^1.11.1"
 sphinxcontrib-openapi = "^0.7.0"
 black = "^20.8b1"
-flake8 = "^3.8.4"
+flake8 = "^3.9.1"
 isort = "^5.7.0"
 coverage = "^5.4"
 sphinxemoji = "^0.1.8"