diff --git a/poetry.lock b/poetry.lock
index e704a9d3..5112d0cf 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -253,7 +253,7 @@ python-versions = ">=2.6, !=3.0.*, !=3.1.*, !=3.2.*"
 
 [[package]]
 name = "pytest"
-version = "6.2.1"
+version = "7.0.1"
 description = "pytest: simple powerful testing with Python"
 category = "dev"
 optional = false
@@ -266,12 +266,12 @@ colorama = {version = "*", markers = "sys_platform == \"win32\""}
 importlib-metadata = {version = ">=0.12", markers = "python_version < \"3.8\""}
 iniconfig = "*"
 packaging = "*"
-pluggy = ">=0.12,<1.0.0a1"
+pluggy = ">=0.12,<2.0"
 py = ">=1.8.2"
-toml = "*"
+tomli = ">=1.0.0"
 
 [package.extras]
-testing = ["argcomplete", "hypothesis (>=3.56)", "mock", "nose", "requests", "xmlschema"]
+testing = ["argcomplete", "hypothesis (>=3.56)", "mock", "nose", "pygments (>=2.7.2)", "requests", "xmlschema"]
 
 [[package]]
 name = "regex"
@@ -297,6 +297,14 @@ category = "dev"
 optional = false
 python-versions = "*"
 
+[[package]]
+name = "tomli"
+version = "1.2.3"
+description = "A lil' TOML parser"
+category = "dev"
+optional = false
+python-versions = ">=3.6"
+
 [[package]]
 name = "typed-ast"
 version = "1.4.1"
@@ -328,7 +336,7 @@ testing = ["jaraco.itertools", "func-timeout"]
 [metadata]
 lock-version = "1.1"
 python-versions = "^3.6"
-content-hash = "97ad2fbb808bd5bc77925987a729514d08127024752bc41557762f758f29b067"
+content-hash = "4373b4330d1af9a3f202ece28872ac4c2c95dfce54f8579efb61d00f52432ecb"
 
 [metadata.files]
 appdirs = [
@@ -523,8 +531,8 @@ pyparsing = [
     {file = "pyparsing-2.4.7.tar.gz", hash = "sha256:c203ec8783bf771a155b207279b9bccb8dea02d8f0c9e5f8ead507bc3246ecc1"},
 ]
 pytest = [
-    {file = "pytest-6.2.1-py3-none-any.whl", hash = "sha256:1969f797a1a0dbd8ccf0fecc80262312729afea9c17f1d70ebf85c5e76c6f7c8"},
-    {file = "pytest-6.2.1.tar.gz", hash = "sha256:66e419b1899bc27346cb2c993e12c5e5e8daba9073c1fbce33b9807abc95c306"},
+    {file = "pytest-7.0.1-py3-none-any.whl", hash = "sha256:9ce3ff477af913ecf6321fe337b93a2c0dcf2a0a1439c43f5452112c1e4280db"},
+    {file = "pytest-7.0.1.tar.gz", hash = "sha256:e30905a0c131d3d94b89624a1cc5afec3e0ba2fbdb151867d8e0ebd49850f171"},
 ]
 regex = [
     {file = "regex-2020.2.20-cp27-cp27m-win32.whl", hash = "sha256:99272d6b6a68c7ae4391908fc15f6b8c9a6c345a46b632d7fdb7ef6c883a2bbb"},
@@ -559,6 +567,10 @@ toml = [
     {file = "toml-0.10.0-py2.py3-none-any.whl", hash = "sha256:235682dd292d5899d361a811df37e04a8828a5b1da3115886b73cf81ebc9100e"},
     {file = "toml-0.10.0.tar.gz", hash = "sha256:229f81c57791a41d65e399fc06bf0848bab550a9dfd5ed66df18ce5f05e73d5c"},
 ]
+tomli = [
+    {file = "tomli-1.2.3-py3-none-any.whl", hash = "sha256:e3069e4be3ead9668e21cb9b074cd948f7b3113fd9c8bba083f48247aab8b11c"},
+    {file = "tomli-1.2.3.tar.gz", hash = "sha256:05b6166bff487dc068d322585c7ea4ef78deed501cc124060e0f238e89a9231f"},
+]
 typed-ast = [
     {file = "typed_ast-1.4.1-cp35-cp35m-manylinux1_i686.whl", hash = "sha256:73d785a950fc82dd2a25897d525d003f6378d1cb23ab305578394694202a58c3"},
     {file = "typed_ast-1.4.1-cp35-cp35m-manylinux1_x86_64.whl", hash = "sha256:aaee9905aee35ba5905cfb3c62f3e83b3bec7b39413f0a7f19be4e547ea01ebb"},
diff --git a/pyproject.toml b/pyproject.toml
index 8498c5da..af5d6d56 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -16,7 +16,7 @@ jinja2 = ">=2.10,<4.0"
 contextvars = { version = "^2.4", python = "~3.6" }
 
 [tool.poetry.dev-dependencies]
-pytest = "^6.2"
+pytest = "^7.0"
 pylint = "^2.7"
 black = {version = "^19.0", allow-prereleases = true}
 rope = "^0.14.0"