diff --git a/poetry.lock b/poetry.lock
index 1850fa9..fa0f3fb 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -51,7 +51,7 @@ python-versions = "*"
 
 [[package]]
 name = "astroid"
-version = "2.5.6"
+version = "2.6.2"
 description = "An abstract syntax tree for Python with inference support."
 category = "dev"
 optional = false
@@ -60,6 +60,7 @@ python-versions = "~=3.6"
 [package.dependencies]
 lazy-object-proxy = ">=1.4.0"
 typed-ast = {version = ">=1.4.0,<1.5", markers = "implementation_name == \"cpython\" and python_version < \"3.8\""}
+typing-extensions = {version = ">=3.7.4", markers = "python_version < \"3.8\""}
 wrapt = ">=1.11,<1.13"
 
 [[package]]
@@ -422,14 +423,14 @@ python-versions = ">=3.5"
 
 [[package]]
 name = "pylint"
-version = "2.8.3"
+version = "2.9.3"
 description = "python code static checker"
 category = "dev"
 optional = false
 python-versions = "~=3.6"
 
 [package.dependencies]
-astroid = "2.5.6"
+astroid = ">=2.6.2,<2.7"
 colorama = {version = "*", markers = "sys_platform == \"win32\""}
 isort = ">=4.2.5,<6"
 mccabe = ">=0.6,<0.7"
@@ -793,7 +794,7 @@ testing = ["pytest (>=4.6)", "pytest-checkdocs (>=1.2.3)", "pytest-flake8", "pyt
 [metadata]
 lock-version = "1.1"
 python-versions = "^3.6"
-content-hash = "1347b14cbfb52c4edc62302acfa53e8fdee06d217adad857dcc800ab3e40c046"
+content-hash = "e092c699f1fd9a5e3263529bd5283e8da2beacb104f74d9f8853835b0cf6c6f3"
 
 [metadata.files]
 alabaster = [
@@ -813,8 +814,8 @@ appdirs = [
     {file = "appdirs-1.4.4.tar.gz", hash = "sha256:7d5d0167b2b1ba821647616af46a749d1c653740dd0d2415100fe26e27afdf41"},
 ]
 astroid = [
-    {file = "astroid-2.5.6-py3-none-any.whl", hash = "sha256:4db03ab5fc3340cf619dbc25e42c2cc3755154ce6009469766d7143d1fc2ee4e"},
-    {file = "astroid-2.5.6.tar.gz", hash = "sha256:8a398dfce302c13f14bab13e2b14fe385d32b73f4e4853b9bdfb64598baa1975"},
+    {file = "astroid-2.6.2-py3-none-any.whl", hash = "sha256:606b2911d10c3dcf35e58d2ee5c97360e8477d7b9f3efc3f24811c93e6fc2cd9"},
+    {file = "astroid-2.6.2.tar.gz", hash = "sha256:38b95085e9d92e2ca06cf8b35c12a74fa81da395a6f9e65803742e6509c05892"},
 ]
 atomicwrites = [
     {file = "atomicwrites-1.4.0-py2.py3-none-any.whl", hash = "sha256:6d1784dea7c0c8d4a5172b6c620f40b6e4cbfdf96d783691f2e1302a7b88e197"},
@@ -1070,8 +1071,8 @@ pygments = [
     {file = "Pygments-2.9.0.tar.gz", hash = "sha256:a18f47b506a429f6f4b9df81bb02beab9ca21d0a5fee38ed15aef65f0545519f"},
 ]
 pylint = [
-    {file = "pylint-2.8.3-py3-none-any.whl", hash = "sha256:792b38ff30903884e4a9eab814ee3523731abd3c463f3ba48d7b627e87013484"},
-    {file = "pylint-2.8.3.tar.gz", hash = "sha256:0a049c5d47b629d9070c3932d13bff482b12119b6a241a93bc460b0be16953c8"},
+    {file = "pylint-2.9.3-py3-none-any.whl", hash = "sha256:5d46330e6b8886c31b5e3aba5ff48c10f4aa5e76cbf9002c6544306221e63fbc"},
+    {file = "pylint-2.9.3.tar.gz", hash = "sha256:23a1dc8b30459d78e9ff25942c61bb936108ccbe29dd9e71c01dc8274961709a"},
 ]
 pyparsing = [
     {file = "pyparsing-2.4.7-py2.py3-none-any.whl", hash = "sha256:ef9d7589ef3c200abe66653d3f1ab1033c3c419ae9b9bdb1240a85b024efc88b"},
diff --git a/pyproject.toml b/pyproject.toml
index 23855b1..3b81dd9 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -27,7 +27,7 @@ pytest = "^6.2"
 black = {version = "^20.8b1",allow-prereleases = true}
 pytest-cov = "^2.11.1"
 jsonschema = "^3.2.0"
-pylint = "^2.7.2"
+pylint = "^2.9.3"
 sphinx = "^3.5.3"
 sphinx-autoapi = "^1.8.1"
 sphinx-rtd-theme = "^0.5.2"