diff --git a/poetry.lock b/poetry.lock
index 87c3136..9ed490f 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -246,11 +246,11 @@ description = "Optional static typing for Python"
 name = "mypy"
 optional = false
 python-versions = "*"
-version = "0.660"
+version = "0.670"
 
 [package.dependencies]
-mypy_extensions = ">=0.4.0,<0.5.0"
-typed-ast = ">=1.2.0,<1.3.0"
+mypy-extensions = ">=0.4.0,<0.5.0"
+typed-ast = ">=1.3.1,<1.4.0"
 
 [[package]]
 category = "dev"
@@ -402,10 +402,10 @@ description = "a fork of Python 2 and 3 ast modules with type comment support"
 name = "typed-ast"
 optional = false
 python-versions = "*"
-version = "1.2.0"
+version = "1.3.1"
 
 [metadata]
-content-hash = "f85f9249bf8fec037650a8a34c0471806e7078a544e8f7f3548c243b8f8e3e45"
+content-hash = "ccb54c615166020b274b6975ef8f2977b1d004accb17a9780cb41b6ed24364a1"
 python-versions = "^3.6 || ^3.7"
 
 [metadata.hashes]
@@ -432,7 +432,7 @@ flake8-super-call = ["0486ebfb24e3bf104b1c1d7f823a51ebcefb3a26108b25cb3129a9e8a5
 isort = ["1153601da39a25b14ddc54955dbbacbb6b2d19135386699e2ad58517953b34af", "b9c40e9750f3d77e6e4d441d8b0266cf555e7cdabdcff33c4fd06366ca761ef8", "ec9ef8f4a9bc6f71eec99e1806bfa2de401650d996c59330782b89a5555c1497"]
 mccabe = ["ab8a6258860da4b6677da4bd2fe5dc2c659cff31b3ee4f7f5d64e79735b80d42", "dd8d182285a0fe56bace7f45b5e7d1a6ebcbf524e8f3bd87eb0f125271b8831f"]
 more-itertools = ["38a936c0a6d98a38bcc2d03fdaaedaba9f412879461dd2ceff8d37564d6522e4", "c0a5785b1109a6bd7fac76d6837fd1feca158e54e521ccd2ae8bfe393cc9d4fc", "fe7a7cae1ccb57d33952113ff4fa1bc5f879963600ed74918f1236e212ee50b9"]
-mypy = ["986a7f97808a865405c5fd98fae5ebfa963c31520a56c783df159e9a81e41b3e", "cc5df73cc11d35655a8c364f45d07b13c8db82c000def4bd7721be13356533b4"]
+mypy = ["308c274eb8482fbf16006f549137ddc0d69e5a589465e37b99c4564414363ca7", "e80fd6af34614a0e898a57f14296d0dacb584648f0339c2e000ddbf0f4cc2f8d"]
 mypy-extensions = ["37e0e956f41369209a3d5f34580150bcacfabaa57b33a15c0b25f4b5725e0812", "b16cabe759f55e3409a7d231ebd2841378fb0c27a5d1994719e340e4f429ac3e"]
 pep8-naming = ["01cb1dab2f3ce9045133d08449f1b6b93531dceacb9ef04f67087c11c723cea9", "0ec891e59eea766efd3059c3d81f1da304d858220678bdc351aab73c533f2fbb"]
 pluggy = ["8ddc32f03971bfdf900a81961a48ccf2fb677cf7715108f85295c67405798616", "980710797ff6a041e9a73a5787804f848996ecaa6f8a1b1e08224a5894f2074a"]
@@ -447,4 +447,4 @@ pytest-isort = ["2221c0914dfca41914625a646f0d2d1d4c676861b9a7b26746a7fdd40aa2c59
 pytest-randomly = ["6db5e03d72b54052b9b379dc3cfa4749c19bfe4de161cf3eb24762049f4ce9be", "92ec6745d3ebdd690ecb598648748c9601f16f5afacf83ccef2b50d23e6edb7f"]
 six = ["3350809f0555b11f552448330d0b52d5f24c91a322ea4a15ef22629740f3761c", "d16a0141ec1a18405cd4ce8b4613101da75da0e9a7aec5bdd4fa804d0e0eba73"]
 snowballstemmer = ["919f26a68b2c17a7634da993d91339e288964f93c274f1343e3bbbe2096e1128", "9f3bcd3c401c3e862ec0ebe6d2c069ebc012ce142cce209c098ccb5b09136e89"]
-typed-ast = ["023625bfa9359e29bd6e24cac2a4503495b49761d48a5f1e38333fc4ac4d93fe", "07591f7a5fdff50e2e566c4c1e9df545c75d21e27d98d18cb405727ed0ef329c", "153e526b0f4ffbfada72d0bb5ffe8574ba02803d2f3a9c605c8cf99dfedd72a2", "3ad2bdcd46a4a1518d7376e9f5016d17718a9ed3c6a3f09203d832f6c165de4a", "3ea98c84df53ada97ee1c5159bb3bc784bd734231235a1ede14c8ae0775049f7", "51a7141ccd076fa561af107cfb7a8b6d06a008d92451a1ac7e73149d18e9a827", "52c93cd10e6c24e7ac97e8615da9f224fd75c61770515cb323316c30830ddb33", "6344c84baeda3d7b33e157f0b292e4dd53d05ddb57a63f738178c01cac4635c9", "64699ca1b3bd5070bdeb043e6d43bc1d0cebe08008548f4a6bee782b0ecce032", "74903f2e56bbffe29282ef8a5487d207d10be0f8513b41aff787d954a4cf91c9", "7891710dba83c29ee2bd51ecaa82f60f6bede40271af781110c08be134207bf2", "91976c56224e26c256a0de0f76d2004ab885a29423737684b4f7ebdd2f46dde2", "9bad678a576ecc71f25eba9f1e3fd8d01c28c12a2834850b458428b3e855f062", "b4726339a4c180a8b6ad9d8b50d2b6dc247e1b79b38fe2290549c98e82e4fd15", "ba36f6aa3f8933edf94ea35826daf92cbb3ec248b89eccdc053d4a815d285357", "bbc96bde544fd19e9ef168e4dfa5c3dfe704bfa78128fa76f361d64d6b0f731a", "c0c927f1e44469056f7f2dada266c79b577da378bbde3f6d2ada726d131e4824", "c0f9a3708008aa59f560fa1bd22385e05b79b8e38e0721a15a8402b089243442", "f0bf6f36ff9c5643004171f11d2fdc745aa3953c5aacf2536a0685db9ceb3fb1", "f5be39a0146be663cbf210a4d95c3c58b2d7df7b043c9047c5448e358f0550a2", "fcd198bf19d9213e5cbf2cde2b9ef20a9856e716f76f9476157f90ae6de06cc6"]
+typed-ast = ["035a54ede6ce1380599b2ce57844c6554666522e376bd111eb940fbc7c3dad23", "037c35f2741ce3a9ac0d55abfcd119133cbd821fffa4461397718287092d9d15", "049feae7e9f180b64efacbdc36b3af64a00393a47be22fa9cb6794e68d4e73d3", "19228f7940beafc1ba21a6e8e070e0b0bfd1457902a3a81709762b8b9039b88d", "2ea681e91e3550a30c2265d2916f40a5f5d89b59469a20f3bad7d07adee0f7a6", "3a6b0a78af298d82323660df5497bcea0f0a4a25a0b003afd0ce5af049bd1f60", "5385da8f3b801014504df0852bf83524599df890387a3c2b17b7caa3d78b1773", "606d8afa07eef77280c2bf84335e24390055b478392e1975f96286d99d0cb424", "69245b5b23bbf7fb242c9f8f08493e9ecd7711f063259aefffaeb90595d62287", "6f6d839ab09830d59b7fa8fb6917023d8cb5498ee1f1dbd82d37db78eb76bc99", "730888475f5ac0e37c1de4bd05eeb799fdb742697867f524dc8a4cd74bcecc23", "9819b5162ffc121b9e334923c685b0d0826154e41dfe70b2ede2ce29034c71d8", "9e60ef9426efab601dd9aa120e4ff560f4461cf8442e9c0a2b92548d52800699", "af5fbdde0690c7da68e841d7fc2632345d570768ea7406a9434446d7b33b0ee1", "b64efdbdf3bbb1377562c179f167f3bf301251411eb5ac77dec6b7d32bcda463", "bac5f444c118aeb456fac1b0b5d14c6a71ea2a42069b09c176f75e9bd4c186f6", "bda9068aafb73859491e13b99b682bd299c1b5fd50644d697533775828a28ee0", "d659517ca116e6750101a1326107d3479028c5191f0ecee3c7203c50f5b915b0", "eddd3fb1f3e0f82e5915a899285a39ee34ce18fd25d89582bc89fc9fb16cd2c6"]
diff --git a/pyproject.toml b/pyproject.toml
index f420378..3ed9dc6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -66,4 +66,4 @@ flake8-pep3101 = "^1.2"
 flake8-super-call = "^1.0"
 flake8-debugger = "^3.1"
 pep8-naming = "^0.8"
-mypy = "^0.660"
+mypy = "^0.670"