diff --git a/poetry.lock b/poetry.lock
index d0aef64..db3b5c9 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -210,7 +210,7 @@ description = "the modular source code checker: pep8 pyflakes and co"
 name = "flake8"
 optional = false
 python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,>=2.7"
-version = "3.8.3"
+version = "3.8.4"
 
 [package.dependencies]
 mccabe = ">=0.6.0,<0.7.0"
@@ -656,7 +656,7 @@ docs = ["sphinx", "jaraco.packaging (>=3.2)", "rst.linker (>=1.9)"]
 testing = ["pathlib2", "contextlib2", "unittest2"]
 
 [metadata]
-content-hash = "aa2a7aa721c80f21827586790918fe4d7c15451d64277d8793f0bc3f51b1ce54"
+content-hash = "3a213a374d8469a5cb4cff56dcdc5d6f312b976e1814ea03a8cbed3b95e4fe53"
 lock-version = "1.0"
 python-versions = "^3.6"
 
@@ -781,8 +781,8 @@ et-xmlfile = [
     {file = "et_xmlfile-1.0.1.tar.gz", hash = "sha256:614d9722d572f6246302c4491846d2c393c199cfa4edc9af593437691683335b"},
 ]
 flake8 = [
-    {file = "flake8-3.8.3-py2.py3-none-any.whl", hash = "sha256:15e351d19611c887e482fb960eae4d44845013cc142d42896e9862f775d8cf5c"},
-    {file = "flake8-3.8.3.tar.gz", hash = "sha256:f04b9fcbac03b0a3e58c0ab3a0ecc462e023a9faf046d57794184028123aa208"},
+    {file = "flake8-3.8.4-py2.py3-none-any.whl", hash = "sha256:749dbbd6bfd0cf1318af27bf97a14e28e5ff548ef8e5b1566ccfb25a11e7c839"},
+    {file = "flake8-3.8.4.tar.gz", hash = "sha256:aadae8761ec651813c24be05c6f7b4680857ef6afaae4651a4eccaef97ce6c3b"},
 ]
 idna = [
     {file = "idna-2.8-py2.py3-none-any.whl", hash = "sha256:ea8b7f6188e6fa117537c3df7da9fc686d485087abf6ac197f9c46432f7e4a3c"},
diff --git a/pyproject.toml b/pyproject.toml
index 9db77b4..e6dc721 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -17,7 +17,7 @@ deepmerge = "==0.1.0"
 
 [tool.poetry.dev-dependencies]
 isort = "^5.5"
-flake8 = "^3.8.3"
+flake8 = "^3.8.4"
 black = { version = "==20.8b1", allow-prereleases = true }
 coveralls = "^2.1.2"