diff --git a/poetry.lock b/poetry.lock
index 21dfe2e..ece9eef 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -187,7 +187,7 @@ test = ["pytest (==5.4.3)", "pytest-cov (==2.10.0)", "pytest-asyncio (>=0.14.0,<
 
 [[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
@@ -593,7 +593,7 @@ sqlite = ["aiosqlite"]
 [metadata]
 lock-version = "1.1"
 python-versions = "^3.7"
-content-hash = "bfc111f9cfcf8137c21116a4deec59b237eed283ae89d934d5b704b697bec2f2"
+content-hash = "4828c04d9e8eaaa97b7a9d7023fecfba654ca6e9f254e94b29a688d1253a4a4b"
 
 [metadata.files]
 aiosqlite = [
@@ -704,8 +704,8 @@ fastapi = [
     {file = "fastapi-0.63.0.tar.gz", hash = "sha256:63c4592f5ef3edf30afa9a44fa7c6b7ccb20e0d3f68cd9eba07b44d552058dcb"},
 ]
 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"},
 ]
 h11 = [
     {file = "h11-0.11.0-py2.py3-none-any.whl", hash = "sha256:ab6c335e1b6ef34b205d5ca3e228c9299cc7218b049819ec84a388c2525e5d87"},
diff --git a/pyproject.toml b/pyproject.toml
index 0149145..21d6462 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -30,7 +30,7 @@ asyncpg = { version = "^0.22.0", optional = true }
 aiosqlite = { version = "^0.17.0", optional = true }
 
 [tool.poetry.dev-dependencies]
-flake8 = "^3.9.0"
+flake8 = "^3.9.1"
 black = "^20.8b1"
 pydocstyle = "^6.0.0"
 docutils = "^0.16"