diff --git a/poetry.lock b/poetry.lock
index 673272c..686ebb0 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -670,21 +670,22 @@ python-versions = ">=3.5"
 
 [[package]]
 name = "mypy"
-version = "0.920"
+version = "0.971"
 description = "Optional static typing for Python"
 category = "dev"
 optional = false
 python-versions = ">=3.6"
 
 [package.dependencies]
-mypy-extensions = ">=0.4.3,<0.5.0"
-tomli = ">=1.1.0,<3.0.0"
+mypy-extensions = ">=0.4.3"
+tomli = {version = ">=1.1.0", markers = "python_version < \"3.11\""}
 typed-ast = {version = ">=1.4.0,<2", markers = "python_version < \"3.8\""}
-typing-extensions = ">=3.7.4"
+typing-extensions = ">=3.10"
 
 [package.extras]
 dmypy = ["psutil (>=4.0)"]
 python2 = ["typed-ast (>=1.4.0,<2)"]
+reports = ["lxml"]
 
 [[package]]
 name = "mypy-extensions"
@@ -1282,7 +1283,7 @@ testing = ["pytest (>=4.6)", "pytest-checkdocs (>=2.4)", "pytest-flake8", "pytes
 [metadata]
 lock-version = "1.1"
 python-versions = "^3.6"
-content-hash = "58f42add1d8304d3155745c00202ada2209279b43e8b83ffd7c787b536c8dc4d"
+content-hash = "59f7a2f45506078783b7052d54612b19f9d0a0698704403063d51a2bd3006ef5"
 
 [metadata.files]
 aiocontextvars = [
@@ -1656,26 +1657,29 @@ more-itertools = [
     {file = "more_itertools-8.10.0-py3-none-any.whl", hash = "sha256:56ddac45541718ba332db05f464bebfb0768110111affd27f66e0051f276fa43"},
 ]
 mypy = [
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-    {file = "mypy-0.920-cp310-cp310-macosx_11_0_arm64.whl", hash = "sha256:431be889ffc8d9681813a45575c42e341c19467cbfa6dd09bf41467631feb530"},
-    {file = "mypy-0.920-cp310-cp310-manylinux_2_5_x86_64.manylinux1_x86_64.manylinux_2_12_x86_64.manylinux2010_x86_64.whl", hash = "sha256:f8b2059f73878e92eff7ed11a03515d6572f4338a882dd7547b5f7dd242118e6"},
-    {file = "mypy-0.920-cp310-cp310-win_amd64.whl", hash = "sha256:9cd316e9705555ca6a50670ba5fb0084d756d1d8cb1697c83820b1456b0bc5f3"},
-    {file = "mypy-0.920-cp36-cp36m-macosx_10_9_x86_64.whl", hash = "sha256:e091fe58b4475b3504dc7c3022ff7f4af2f9e9ddf7182047111759ed0973bbde"},
-    {file = "mypy-0.920-cp36-cp36m-manylinux_2_5_x86_64.manylinux1_x86_64.manylinux_2_12_x86_64.manylinux2010_x86_64.whl", hash = "sha256:98b4f91a75fed2e4c6339e9047aba95968d3a7c4b91e92ab9dc62c0c583564f4"},
-    {file = "mypy-0.920-cp36-cp36m-win_amd64.whl", hash = "sha256:562a0e335222d5bbf5162b554c3afe3745b495d67c7fe6f8b0d1b5bace0c1eeb"},
-    {file = "mypy-0.920-cp37-cp37m-macosx_10_9_x86_64.whl", hash = "sha256:618e677aabd21f30670bffb39a885a967337f5b112c6fb7c79375e6dced605d6"},
-    {file = "mypy-0.920-cp37-cp37m-manylinux_2_5_x86_64.manylinux1_x86_64.manylinux_2_12_x86_64.manylinux2010_x86_64.whl", hash = "sha256:40cb062f1b7ff4cd6e897a89d8ddc48c6ad7f326b5277c93a8c559564cc1551c"},
-    {file = "mypy-0.920-cp37-cp37m-win_amd64.whl", hash = "sha256:69b5a835b12fdbfeed84ef31152d41343d32ccb2b345256d8682324409164330"},
-    {file = "mypy-0.920-cp38-cp38-macosx_10_9_x86_64.whl", hash = "sha256:993c2e52ea9570e6e872296c046c946377b9f5e89eeb7afea2a1524cf6e50b27"},
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-    {file = "mypy-0.920-cp38-cp38-manylinux_2_5_x86_64.manylinux1_x86_64.manylinux_2_12_x86_64.manylinux2010_x86_64.whl", hash = "sha256:331a81d2c9bf1be25317260a073b41f4584cd11701a7c14facef0aa5a005e843"},
-    {file = "mypy-0.920-cp38-cp38-win_amd64.whl", hash = "sha256:ffb1e57ec49a30e3c0ebcfdc910ae4aceb7afb649310b7355509df6b15bd75f6"},
-    {file = "mypy-0.920-cp39-cp39-macosx_10_9_x86_64.whl", hash = "sha256:31895b0b3060baf15bf76e789d94722c026f673b34b774bba9e8772295edccff"},
-    {file = "mypy-0.920-cp39-cp39-macosx_11_0_arm64.whl", hash = "sha256:140174e872d20d4768124a089b9f9fc83abd6a349b7f8cc6276bc344eb598922"},
-    {file = "mypy-0.920-cp39-cp39-manylinux_2_5_x86_64.manylinux1_x86_64.manylinux_2_12_x86_64.manylinux2010_x86_64.whl", hash = "sha256:13b3c110309b53f5a62aa1b360f598124be33a42563b790a2a9efaacac99f1fc"},
-    {file = "mypy-0.920-cp39-cp39-win_amd64.whl", hash = "sha256:82e6c15675264e923b60a11d6eb8f90665504352e68edfbb4a79aac7a04caddd"},
-    {file = "mypy-0.920-py3-none-any.whl", hash = "sha256:71c77bd885d2ce44900731d4652d0d1c174dc66a0f11200e0c680bdedf1a6b37"},
-    {file = "mypy-0.920.tar.gz", hash = "sha256:a55438627f5f546192f13255a994d6d1cf2659df48adcf966132b4379fd9c86b"},
+    {file = "mypy-0.971-cp310-cp310-macosx_10_9_universal2.whl", hash = "sha256:f2899a3cbd394da157194f913a931edfd4be5f274a88041c9dc2d9cdcb1c315c"},
+    {file = "mypy-0.971-cp310-cp310-macosx_10_9_x86_64.whl", hash = "sha256:98e02d56ebe93981c41211c05adb630d1d26c14195d04d95e49cd97dbc046dc5"},
+    {file = "mypy-0.971-cp310-cp310-macosx_11_0_arm64.whl", hash = "sha256:19830b7dba7d5356d3e26e2427a2ec91c994cd92d983142cbd025ebe81d69cf3"},
+    {file = "mypy-0.971-cp310-cp310-manylinux_2_5_x86_64.manylinux1_x86_64.manylinux_2_12_x86_64.manylinux2010_x86_64.whl", hash = "sha256:02ef476f6dcb86e6f502ae39a16b93285fef97e7f1ff22932b657d1ef1f28655"},
+    {file = "mypy-0.971-cp310-cp310-win_amd64.whl", hash = "sha256:25c5750ba5609a0c7550b73a33deb314ecfb559c350bb050b655505e8aed4103"},
+    {file = "mypy-0.971-cp36-cp36m-macosx_10_9_x86_64.whl", hash = "sha256:d3348e7eb2eea2472db611486846742d5d52d1290576de99d59edeb7cd4a42ca"},
+    {file = "mypy-0.971-cp36-cp36m-manylinux_2_5_x86_64.manylinux1_x86_64.manylinux_2_12_x86_64.manylinux2010_x86_64.whl", hash = "sha256:3fa7a477b9900be9b7dd4bab30a12759e5abe9586574ceb944bc29cddf8f0417"},
+    {file = "mypy-0.971-cp36-cp36m-win_amd64.whl", hash = "sha256:2ad53cf9c3adc43cf3bea0a7d01a2f2e86db9fe7596dfecb4496a5dda63cbb09"},
+    {file = "mypy-0.971-cp37-cp37m-macosx_10_9_x86_64.whl", hash = "sha256:855048b6feb6dfe09d3353466004490b1872887150c5bb5caad7838b57328cc8"},
+    {file = "mypy-0.971-cp37-cp37m-manylinux_2_5_x86_64.manylinux1_x86_64.manylinux_2_12_x86_64.manylinux2010_x86_64.whl", hash = "sha256:23488a14a83bca6e54402c2e6435467a4138785df93ec85aeff64c6170077fb0"},
+    {file = "mypy-0.971-cp37-cp37m-win_amd64.whl", hash = "sha256:4b21e5b1a70dfb972490035128f305c39bc4bc253f34e96a4adf9127cf943eb2"},
+    {file = "mypy-0.971-cp38-cp38-macosx_10_9_universal2.whl", hash = "sha256:9796a2ba7b4b538649caa5cecd398d873f4022ed2333ffde58eaf604c4d2cb27"},
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+    {file = "mypy-0.971-cp38-cp38-manylinux_2_5_x86_64.manylinux1_x86_64.manylinux_2_12_x86_64.manylinux2010_x86_64.whl", hash = "sha256:d1ea5d12c8e2d266b5fb8c7a5d2e9c0219fedfeb493b7ed60cd350322384ac27"},
+    {file = "mypy-0.971-cp38-cp38-win_amd64.whl", hash = "sha256:23c7ff43fff4b0df93a186581885c8512bc50fc4d4910e0f838e35d6bb6b5e58"},
+    {file = "mypy-0.971-cp39-cp39-macosx_10_9_universal2.whl", hash = "sha256:1f7656b69974a6933e987ee8ffb951d836272d6c0f81d727f1d0e2696074d9e6"},
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+    {file = "mypy-0.971-cp39-cp39-macosx_11_0_arm64.whl", hash = "sha256:ef943c72a786b0f8d90fd76e9b39ce81fb7171172daf84bf43eaf937e9f220a9"},
+    {file = "mypy-0.971-cp39-cp39-manylinux_2_5_x86_64.manylinux1_x86_64.manylinux_2_12_x86_64.manylinux2010_x86_64.whl", hash = "sha256:d744f72eb39f69312bc6c2abf8ff6656973120e2eb3f3ec4f758ed47e414a4bf"},
+    {file = "mypy-0.971-cp39-cp39-win_amd64.whl", hash = "sha256:77a514ea15d3007d33a9e2157b0ba9c267496acf12a7f2b9b9f8446337aac5b0"},
+    {file = "mypy-0.971-py3-none-any.whl", hash = "sha256:0d054ef16b071149917085f51f89555a576e2618d5d9dd70bd6eea6410af3ac9"},
+    {file = "mypy-0.971.tar.gz", hash = "sha256:40b0f21484238269ae6a57200c807d80debc6459d444c0489a102d7c6a75fa56"},
 ]
 mypy-extensions = [
     {file = "mypy_extensions-0.4.3-py2.py3-none-any.whl", hash = "sha256:090fedd75945a69ae91ce1303b5824f428daf5a028d2f6ab8a299250a846f15d"},
diff --git a/pyproject.toml b/pyproject.toml
index f36313f..24cb919 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -32,7 +32,7 @@ classifiers = [
 python = "^3.6"
 
 [tool.poetry.dev-dependencies]
-mypy = "^0.920"
+mypy = "^0.971"
 
 flake8 = "^3.9.2"
 wemake-python-styleguide = "^0.16"