diff --git a/poetry.lock b/poetry.lock
index 2a5113d..4a39c54 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -247,10 +247,10 @@ description = "Optional static typing for Python"
 name = "mypy"
 optional = false
 python-versions = ">=3.5"
-version = "0.750"
+version = "0.760"
 
 [package.dependencies]
-mypy-extensions = ">=0.4.0,<0.5.0"
+mypy-extensions = ">=0.4.3,<0.5.0"
 typed-ast = ">=1.4.0,<1.5.0"
 typing-extensions = ">=3.7.4"
 
@@ -260,7 +260,7 @@ description = "Experimental type system extensions for programs checked with the
 name = "mypy-extensions"
 optional = false
 python-versions = "*"
-version = "0.4.1"
+version = "0.4.3"
 
 [[package]]
 category = "dev"
@@ -470,7 +470,7 @@ python-versions = ">=2.7"
 version = "0.5.2"
 
 [metadata]
-content-hash = "ec5b0db62680391641f83fde1e75f7312425fc0d0fd597efa6687456bab3b21e"
+content-hash = "9ee6974f04e57014c70a07f4ab444fb5848c3c9e353e0497e61077741c4f4119"
 python-versions = "^3.6"
 
 [metadata.hashes]
@@ -497,8 +497,8 @@ importlib-metadata = ["23d3d873e008a513952355379d93cbcab874c58f4f034ff657c7a8742
 isort = ["54da7e92468955c4fceacd0c86bd0ec997b0e1ee80d97f67c35a78b719dccab1", "6e811fcb295968434526407adb8796944f1988c5b65e8139058f2014cbe100fd"]
 mccabe = ["ab8a6258860da4b6677da4bd2fe5dc2c659cff31b3ee4f7f5d64e79735b80d42", "dd8d182285a0fe56bace7f45b5e7d1a6ebcbf524e8f3bd87eb0f125271b8831f"]
 more-itertools = ["409cd48d4db7052af495b09dec721011634af3753ae1ef92d2b32f73a745f832", "92b8c4b06dac4f0611c0729b2f2ede52b2e1bac1ab48f089c7ddc12e26bb60c4"]
-mypy = ["02d9bdd3398b636723ecb6c5cfe9773025a9ab7f34612c1cde5c7f2292e2d768", "088f758a50af31cf8b42688118077292370c90c89232c783ba7979f39ea16646", "28e9fbc96d13397a7ddb7fad7b14f373f91b5cff538e0772e77c270468df083c", "30e123b24931f02c5d99307406658ac8f9cd6746f0d45a3dcac2fe5fbdd60939", "3294821b5840d51a3cd7a2bb63b40fc3f901f6a3cfb3c6046570749c4c7ef279", "41696a7d912ce16fdc7c141d87e8db5144d4be664a0c699a2b417d393994b0c2", "4f42675fa278f3913340bb8c3371d191319704437758d7c4a8440346c293ecb2", "54d205ccce6ed930a8a2ccf48404896d456e8b87812e491cb907a355b1a9c640", "6992133c95a2847d309b4b0c899d7054adc60481df6f6b52bb7dee3d5fd157f7", "6ecbd0e8e371333027abca0922b0c2c632a5b4739a0c61ffbd0733391e39144c", "83fa87f556e60782c0fc3df1b37b7b4a840314ba1ac27f3e1a1e10cb37c89c17", "c87ac7233c629f305602f563db07f5221950fe34fe30af072ac838fa85395f78", "de9ec8dba773b78c49e7bec9a35c9b6fc5235682ad1fc2105752ae7c22f4b931", "f385a0accf353ca1bca4bbf473b9d83ed18d923fdb809d3a70a385da23e25b6a"]
-mypy-extensions = ["37e0e956f41369209a3d5f34580150bcacfabaa57b33a15c0b25f4b5725e0812", "b16cabe759f55e3409a7d231ebd2841378fb0c27a5d1994719e340e4f429ac3e"]
+mypy = ["0308c35fd16c96a81b8dfc4d09ec63b8fa607cfec087acf5aafb44c2c45197de", "39f7be2f89668d21b2bbab45ce5aa15e69bf8d6f3b46f9e1cc1a88e4fcc84f3d", "4223f576813c79a10d0fd14192c86f1b85e3bd235c93792f22ed811a20b5ee4e", "4c8f812a2fbefa96185933fbe05aa035e9cf791cf3a23bbdb6a219c80b60e0b1", "4ea9ee847ea5bb38ea275441f3aea7eeba1b96187a3f968ee359d33d9dcc0eda", "573c68df69f0e399fa57866a0b72989acf0a56c4008eee59c789c2ca5ea9df03", "588c0e38466306aa7dbe6522ceacf37dde8b13cfa5edde90be2ce382f078875f", "6d1bd2e675823a19e6bf72149540ab9851bfe698b796aea698fb926ab2bedd02", "aa8e3bd1540dd5c39ef580ec2146a9c99c45f7c62af890095fec9e87b5ca19fb", "b978ba1ea90d0abe2fc720ec9a41824b7d3a1304569bd58c9038d8d61dc4dfdb", "c85c5367c2e8247e06cc0aba84e3633e90f48e8a0677bc51b351e138b5ff80b1", "ce69577b424058bfa177df27213869f37c1e964c3e1ebd3b3d54f1d10b234c4d", "ec6eaf98a57624d96d9916352a5bad2d73959f6358fabf43838f7d1a4d2f8389"]
+mypy-extensions = ["090fedd75945a69ae91ce1303b5824f428daf5a028d2f6ab8a299250a846f15d", "2d82818f5bb3e369420cb3c4060a7970edba416647068eb4c5343488a6c604a8"]
 packaging = ["a7ac867b97fdc07ee80a8058fe4435ccd274ecc3b0ed61d852d7d53055528cf9", "c491ca87294da7cc01902edbe30a5bc6c4c28172b5138ab4e4aa1b9d7bfaeafe"]
 pep8-naming = ["45f330db8fcfb0fba57458c77385e288e7a3be1d01e8ea4268263ef677ceea5f", "a33d38177056321a167decd6ba70b890856ba5025f0a8eca6a3eda607da93caf"]
 pluggy = ["0825a152ac059776623854c1543d65a4ad408eb3d33ee114dff91e57ec6ae6fc", "b9817417e95936bf75d85d3f8767f7df6cdde751fc40aed3bb3074cbcb77757c"]
diff --git a/pyproject.toml b/pyproject.toml
index c2e79c3..ebce57c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -64,4 +64,4 @@ flake8-bugbear = "^19.8"
 flake8-pep3101 = "^1.3"
 flake8-debugger = "^3.2"
 pep8-naming = "^0.9"
-mypy = "^0.750"
+mypy = "^0.760"