diff --git a/poetry.lock b/poetry.lock
index b2f780de..a2b14879 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -45,7 +45,6 @@ python-versions = ">=3.6.2"
 
 [package.dependencies]
 click = ">=8.0.0"
-dataclasses = {version = ">=0.6", markers = "python_version < \"3.7\""}
 mypy-extensions = ">=0.4.3"
 pathspec = ">=0.9.0"
 platformdirs = ">=2"
@@ -128,14 +127,6 @@ requests = ">=1.0.0"
 [package.extras]
 yaml = ["PyYAML (>=3.10)"]
 
-[[package]]
-name = "dataclasses"
-version = "0.8"
-description = "A backport of the dataclasses module for Python 3.6"
-category = "dev"
-optional = false
-python-versions = ">=3.6, <3.7"
-
 [[package]]
 name = "dill"
 version = "0.3.4"
@@ -361,7 +352,7 @@ testing = ["argcomplete", "hypothesis (>=3.56)", "mock", "nose", "pygments (>=2.
 
 [[package]]
 name = "pytest-cov"
-version = "3.0.0"
+version = "4.0.0"
 description = "Pytest plugin for measuring coverage."
 category = "dev"
 optional = false
@@ -471,8 +462,8 @@ testing = ["func-timeout", "jaraco.itertools", "pytest (>=4.6)", "pytest-black (
 
 [metadata]
 lock-version = "1.1"
-python-versions = "^3.6.2"
-content-hash = "5755ac9d3f0dc197b16722320e538c714f96ccb2ad9bb8c60b2ab90c5fe9ddb7"
+python-versions = "^3.7.0"
+content-hash = "06b271d987a8ddef48fd10cc68a8d8e69af1bb2e84f2f4dd413f42e551b273f5"
 
 [metadata.files]
 astroid = [
@@ -581,10 +572,6 @@ coveralls = [
     {file = "coveralls-3.3.1-py2.py3-none-any.whl", hash = "sha256:f42015f31d386b351d4226389b387ae173207058832fbf5c8ec4b40e27b16026"},
     {file = "coveralls-3.3.1.tar.gz", hash = "sha256:b32a8bb5d2df585207c119d6c01567b81fba690c9c10a753bfe27a335bfc43ea"},
 ]
-dataclasses = [
-    {file = "dataclasses-0.8-py3-none-any.whl", hash = "sha256:0201d89fa866f68c8ebd9d08ee6ff50c0b255f8ec63a71c16fda7af82bb887bf"},
-    {file = "dataclasses-0.8.tar.gz", hash = "sha256:8479067f342acf957dc82ec415d355ab5edb7e7646b90dc6e2fd1d96ad084c97"},
-]
 dill = [
     {file = "dill-0.3.4-py2.py3-none-any.whl", hash = "sha256:7e40e4a70304fd9ceab3535d36e58791d9c4a776b38ec7f7ec9afc8d3dca4d4f"},
     {file = "dill-0.3.4.zip", hash = "sha256:9f9734205146b2b353ab3fec9af0070237b6ddae78452af83d2fca84d739e675"},
@@ -685,8 +672,8 @@ pytest = [
     {file = "pytest-7.0.1.tar.gz", hash = "sha256:e30905a0c131d3d94b89624a1cc5afec3e0ba2fbdb151867d8e0ebd49850f171"},
 ]
 pytest-cov = [
-    {file = "pytest-cov-3.0.0.tar.gz", hash = "sha256:e7f0f5b1617d2210a2cabc266dfe2f4c75a8d32fb89eafb7ad9d06f6d076d470"},
-    {file = "pytest_cov-3.0.0-py3-none-any.whl", hash = "sha256:578d5d15ac4a25e5f961c938b85a05b09fdaae9deef3bb6de9a6e766622ca7a6"},
+    {file = "pytest-cov-4.0.0.tar.gz", hash = "sha256:996b79efde6433cdbd0088872dbc5fb3ed7fe1578b68cdbba634f14bb8dd0470"},
+    {file = "pytest_cov-4.0.0-py3-none-any.whl", hash = "sha256:2feb1b751d66a8bd934e5edfa2e961d11309dc37b73b0eabe73b5945fee20f6b"},
 ]
 requests = [
     {file = "requests-2.26.0-py2.py3-none-any.whl", hash = "sha256:6c1246513ecd5ecd4528a0906f910e8f0f9c6b8ec72030dc9fd154dc1a6efd24"},
diff --git a/pyproject.toml b/pyproject.toml
index 31df332f..2b8cb0ff 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -21,7 +21,7 @@ black = "^22.8"
 coverage = {extras = ["toml"], version = "^6.2"}
 pylint = "^2.13.9"
 pytest = "^7.0.1"
-pytest-cov = "^3.0.0"
+pytest-cov = "^4.0.0"
 coveralls = "^3.3.1"
 flake8 = "^5.0.4"