diff --git a/poetry.lock b/poetry.lock
index df470ad..3d8cc22 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -117,7 +117,7 @@ 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"
@@ -331,7 +331,7 @@ docs = ["sphinx", "jaraco.packaging (>=3.2)", "rst.linker (>=1.9)"]
 testing = ["jaraco.itertools", "func-timeout"]
 
 [metadata]
-content-hash = "fc2fac0df56d213f5ed7a07b9a673dc6da56744edcbb972980b6a5fc8754db07"
+content-hash = "3283de36d7f86a1c8efd177ac73601e6afa5f6c9f304362acddef9656d1f367e"
 lock-version = "1.0"
 python-versions = "^3.6"
 
@@ -403,8 +403,8 @@ docopt = [
     {file = "docopt-0.6.2.tar.gz", hash = "sha256:49b3a825280bd66b3aa83585ef59c4a8c82f2c8a522dbe754a8bc8d08c85c491"},
 ]
 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-2.9-py2.py3-none-any.whl", hash = "sha256:a068a21ceac8a4d63dbfd964670474107f541babbd2250d61922f029858365fa"},
diff --git a/pyproject.toml b/pyproject.toml
index 809ccd7..ef4ef9a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -16,7 +16,7 @@ pyshp = "^2.1.0"
 
 [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"