diff --git a/poetry.lock b/poetry.lock
index 935d76a..381e0e1 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -170,11 +170,11 @@ toml = ["toml"]
 
 [[package]]
 name = "darglint"
-version = "1.5.5"
+version = "1.5.7"
 description = "A utility for ensuring Google-style docstrings stay up to date with the source code."
 category = "dev"
 optional = false
-python-versions = ">=3.5,<4.0"
+python-versions = ">=3.6,<4.0"
 
 [[package]]
 name = "distlib"
@@ -996,7 +996,7 @@ testing = ["jaraco.itertools", "func-timeout"]
 [metadata]
 lock-version = "1.1"
 python-versions = "^3.7"
-content-hash = "47e67ed4108e9e8571b1ed2457ad25a941880eb26ab3e156465a5af29d2c6e5f"
+content-hash = "479b3e4f01bb5a820454c15c8cf1b2dfc7e0076531070469bfcba1c602b6f3c8"
 
 [metadata.files]
 alabaster = [
@@ -1095,8 +1095,8 @@ coverage = [
     {file = "coverage-5.3.tar.gz", hash = "sha256:280baa8ec489c4f542f8940f9c4c2181f0306a8ee1a54eceba071a449fb870a0"},
 ]
 darglint = [
-    {file = "darglint-1.5.5-py3-none-any.whl", hash = "sha256:cd882c812f28ee3b5577259bfd8d6d25962386dd87fc1f3756eac24370aaa060"},
-    {file = "darglint-1.5.5.tar.gz", hash = "sha256:2f12ce2ef3d8189279a8f2eb4c53fd215dbacae50e37765542a91310400a9cd6"},
+    {file = "darglint-1.5.7-py3-none-any.whl", hash = "sha256:d4c6eb04fe4534ad9b6f27e9d113eedce7616056bffd26a52c212609ea50d157"},
+    {file = "darglint-1.5.7.tar.gz", hash = "sha256:9e0cbdd0dde72160296d68d313539d81ec2050c5ff2d8295c4125d3400c62435"},
 ]
 distlib = [
     {file = "distlib-0.3.1-py2.py3-none-any.whl", hash = "sha256:8c09de2c67b3e7deef7184574fc060ab8a793e7adbb183d942c389c8b13c52fb"},
@@ -1379,6 +1379,8 @@ restructuredtext-lint = [
     {file = "ruamel.yaml.clib-0.2.2-cp38-cp38-win_amd64.whl", hash = "sha256:058a1cc3df2a8aecc12f983a48bda99315cebf55a3b3a5463e37bb599b05727b"},
     {file = "ruamel.yaml.clib-0.2.2-cp39-cp39-macosx_10_9_x86_64.whl", hash = "sha256:c6ac7e45367b1317e56f1461719c853fd6825226f45b835df7436bb04031fd8a"},
     {file = "ruamel.yaml.clib-0.2.2-cp39-cp39-manylinux1_x86_64.whl", hash = "sha256:b4b0d31f2052b3f9f9b5327024dc629a253a83d8649d4734ca7f35b60ec3e9e5"},
+    {file = "ruamel.yaml.clib-0.2.2-cp39-cp39-win32.whl", hash = "sha256:46d6d20815064e8bb023ea8628cfb7402c0f0e83de2c2227a88097e239a7dffd"},
+    {file = "ruamel.yaml.clib-0.2.2-cp39-cp39-win_amd64.whl", hash = "sha256:6c0a5dc52fc74eb87c67374a4e554d4761fd42a4d01390b7e868b30d21f4b8bb"},
     {file = "ruamel.yaml.clib-0.2.2.tar.gz", hash = "sha256:2d24bd98af676f4990c4d715bcdc2a60b19c56a3fb3a763164d2d8ca0e806ba7"},
 ]
 safety = [
diff --git a/pyproject.toml b/pyproject.toml
index 4d10ce2..17271ed 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -46,7 +46,7 @@ pygments = "^2.7.2"
 xdoctest = "^0.15.0"
 sphinx = "^3.3.1"
 sphinx-autobuild = "^2020.9.1"
-darglint = "^1.5.5"
+darglint = "^1.5.7"
 flake8-docstrings = "^1.5.0"
 flake8-rst-docstrings = "^0.0.14"
 pep8-naming = "^0.11.1"