diff --git a/poetry.lock b/poetry.lock
index 93bb973..bc88271 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -144,7 +144,7 @@ python-versions = "*"
 
 [[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
@@ -599,7 +599,7 @@ testing = ["pytest (>=3.5,!=3.7.3)", "pytest-checkdocs (>=1.2.3)", "pytest-flake
 [metadata]
 lock-version = "1.1"
 python-versions = "^3.6"
-content-hash = "a4f29df1d23a73f44a2307806b0b3e7a8e5a2a9cdba08ed1be3b431046e197a5"
+content-hash = "7c695c742b98eda9908311dc36d584664584937f45739cca54c68a2b4853d7d5"
 
 [metadata.files]
 appdirs = [
@@ -708,8 +708,8 @@ filelock = [
     {file = "filelock-3.0.12.tar.gz", hash = "sha256:18d82244ee114f543149c66a6e0c14e9c4f8a1044b5cdaadd0f82159d6a6ff59"},
 ]
 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"},
 ]
 gitdb = [
     {file = "gitdb-4.0.5-py3-none-any.whl", hash = "sha256:91f36bfb1ab7949b3b40e23736db18231bf7593edada2ba5c3a174a7b23657ac"},
diff --git a/pyproject.toml b/pyproject.toml
index e778836..9b58480 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -42,7 +42,7 @@ assertpy = "^1.1"
 bandit = "^1.7.0"
 black = "^19.10b0"
 coverage = "^5.5"
-flake8 = "^3.9.0"
+flake8 = "^3.9.1"
 isort = "^5.8.0"
 liccheck = "^0.5.3"
 pytest-cov = "^2.11.1"