diff --git a/Pipfile.lock b/Pipfile.lock
index b3c0525..9a64db6 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -90,39 +90,57 @@
         },
         "coverage": {
             "hashes": [
-                "sha256:0cd13a6e98c37b510a2d34c8281d5e1a226aaf9b65b7d770ef03c63169965351",
-                "sha256:1a4b6b6a2a3a6612e6361130c2cc3dc4378d8c221752b96167ccbad94b47f3cd",
-                "sha256:2ee55e6dba516ddf6f484aa83ccabbb0adf45a18892204c23486938d12258cde",
-                "sha256:3be5338a2eb4ef03c57f20917e1d12a1fd10e3853fed060b6d6b677cb3745898",
-                "sha256:44b783b02db03c4777d8cf71bae19eadc171a6f2a96777d916b2c30a1eb3d070",
-                "sha256:475bf7c4252af0a56e1abba9606f1e54127cdf122063095c75ab04f6f99cf45e",
-                "sha256:47c81ee687eafc2f1db7f03fbe99aab81330565ebc62fb3b61edfc2216a550c8",
-                "sha256:4a7f8e72b18f2aca288ff02255ce32cc830bc04d993efbc87abf6beddc9e56c0",
-                "sha256:50197163a22fd17f79086e087a787883b3ec9280a509807daf158dfc2a7ded02",
-                "sha256:56b13000acf891f700f5067512b804d1ec8c301d627486c678b903859d07f798",
-                "sha256:79388ae29c896299b3567965dbcd93255f175c17c6c7bca38614d12718c47466",
-                "sha256:79fd5d3d62238c4f583b75d48d53cdae759fe04d4fb18fe8b371d88ad2b6f8be",
-                "sha256:7fe3e2fde2bf1d7ce25ebcd2d3de3650b8d60d9a73ce6dcef36e20191291613d",
-                "sha256:81042a24f67b96e4287774014fa27220d8a4d91af1043389e4d73892efc89ac6",
-                "sha256:81326f1095c53111f8afc95da281e1414185f4a538609a77ca50bdfa39a6c207",
-                "sha256:8873dc0d8f42142ea9f20c27bbdc485190fff93823c6795be661703369e5877d",
-                "sha256:88d2cbcb0a112f47eef71eb95460b6995da18e6f8ca50c264585abc2c473154b",
-                "sha256:91f2491aeab9599956c45a77c5666d323efdec790bfe23fcceafcd91105d585a",
-                "sha256:979daa8655ae5a51e8e7a24e7d34e250ae8309fd9719490df92cbb2fe2b0422b",
-                "sha256:9c871b006c878a890c6e44a5b2f3c6291335324b298c904dc0402ee92ee1f0be",
-                "sha256:a6d092545e5af53e960465f652e00efbf5357adad177b2630d63978d85e46a72",
-                "sha256:b5ed7837b923d1d71c4f587ae1539ccd96bfd6be9788f507dbe94dab5febbb5d",
-                "sha256:ba259f68250f16d2444cbbfaddaa0bb20e1560a4fdaad50bece25c199e6af864",
-                "sha256:be1d89614c6b6c36d7578496dc8625123bda2ff44f224cf8b1c45b810ee7383f",
-                "sha256:c1b030a79749aa8d1f1486885040114ee56933b15ccfc90049ba266e4aa2139f",
-                "sha256:c95bb147fab76f2ecde332d972d8f4138b8f2daee6c466af4ff3b4f29bd4c19e",
-                "sha256:d52c1c2d7e856cecc05aa0526453cb14574f821b7f413cc279b9514750d795c1",
-                "sha256:d609a6d564ad3d327e9509846c2c47f170456344521462b469e5cb39e48ba31c",
-                "sha256:e1bad043c12fb58e8c7d92b3d7f2f49977dcb80a08a6d1e7a5114a11bf819fca",
-                "sha256:e5a675f6829c53c87d79117a8eb656cc4a5f8918185a32fc93ba09778e90f6db",
-                "sha256:fec32646b98baf4a22fdceb08703965bd16dea09051fbeb31a04b5b6e72b846c"
-            ],
-            "version": "==5.0"
+                "sha256:0147f7833c41927d84f5af9219d9b32f875c0689e5e74ac8ca3cb61e73a698f9",
+                "sha256:04a92a6cf9afd99f9979c61348ec79725a9f9342fb45e63c889e33c04610d97b",
+                "sha256:10ab138b153e4cc408b43792cb7f518f9ee02f4ff55cd1ab67ad6fd7e9905c7e",
+                "sha256:2e5b9c17a56b8bf0c0a9477fcd30d357deb486e4e1b389ed154f608f18556c8a",
+                "sha256:326d944aad0189603733d646e8d4a7d952f7145684da973c463ec2eefe1387c2",
+                "sha256:359a32515e94e398a5c0fa057e5887a42e647a9502d8e41165cf5cb8d3d1ca67",
+                "sha256:35cd2230e1ed76df7d0081a997f0fe705be1f7d8696264eb508076e0d0b5a685",
+                "sha256:3b270c6b48d3ff5a35deb3648028ba2643ad8434b07836782b1139cf9c66313f",
+                "sha256:42a1fb5dee3355df90b635906bb99126faa7936d87dfc97eacc5293397618cb7",
+                "sha256:479228e1b798d3c246ac89b09897ee706c51b3e5f8f8d778067f38db73ccc717",
+                "sha256:4cd919057636f63ab299ccb86ea0e78b87812400c76abab245ca385f17d19fb5",
+                "sha256:4d8b453764b9b26b0dd2afb83086a7c3f9379134e340288d2a52f8a91592394b",
+                "sha256:51a441011a30d693e71dea198b2a6f53ba029afc39f8e2aeb5b77245c1b282ef",
+                "sha256:557594a50bfe3fb0b1b57460f6789affe8850ad19c1acf2d14a3e12b2757d489",
+                "sha256:572f917267f363101eec375c109c9c1118037c7cc98041440b5eabda3185ac7b",
+                "sha256:62512c0ec5d307f56d86504c58eace11c1bc2afcdf44e3ff20de8ca427ca1d0e",
+                "sha256:65ad3ff837c89a229d626b8004f0ee32110f9bfdb6a88b76a80df36ccc60d926",
+                "sha256:666c6b32b69e56221ad1551d377f718ed00e6167c7a1b9257f780b105a101271",
+                "sha256:6e994003e719458420e14ffb43c08f4c14990e20d9e077cb5cad7a3e419bbb54",
+                "sha256:72bf437d54186d104388cbae73c9f2b0f8a3e11b6e8d7deb593bd14625c96026",
+                "sha256:738e823a746841248b56f0f3bd6abf3b73af191d1fd65e4c723b9c456216f0ad",
+                "sha256:78287731e3601ea5ce9d6468c82d88a12ef8fe625d6b7bdec9b45d96c1ad6533",
+                "sha256:7833c872718dc913f18e51ee97ea0dece61d9930893a58b20b3daf09bb1af6b6",
+                "sha256:7e083d32965d2eb6638a77e65b622be32a094fdc0250f28ce6039b0732fbcaa8",
+                "sha256:8186b5a4730c896cbe1e4b645bdc524e62d874351ae50e1db7c3e9f5dc81dc26",
+                "sha256:8605add58e6a960729aa40c0fd9a20a55909dd9b586d3e8104cc7f45869e4c6b",
+                "sha256:977ce557d79577a3dd510844904d5d968bfef9489f512be65e2882e1c6eed7d8",
+                "sha256:994ce5a7b3d20981b81d83618aa4882f955bfa573efdbef033d5632b58597ba9",
+                "sha256:9ad5895938a894c368d49d8470fe9f519909e5ebc6b8f8ea5190bd0df6aa4271",
+                "sha256:9eb0a1923354e0fdd1c8a6f53f5db2e6180d670e2b587914bf2e79fa8acfd003",
+                "sha256:a00284dbfb53b42e35c7dd99fc0e26ef89b4a34efff68078ed29d03ccb28402a",
+                "sha256:a11a2c019324fc111485e79d55907e7289e53d0031275a6c8daed30690bc50c0",
+                "sha256:ab6a0fe4c96f8058d41948ddf134420d3ef8c42d5508b5a341a440cce7a37a1d",
+                "sha256:ae6de0e41f44794e68d23644636544ed8003ce24845f213b24de097cbf44997f",
+                "sha256:b1d0a1bce919de0dd8da5cff4e616b2d9e6ebf3bd1410ff645318c3dd615010a",
+                "sha256:b8e4f15b672c9156c1154249a9c5746e86ac9ae9edc3799ee3afebc323d9d9e0",
+                "sha256:bbca34dca5a2d60f81326d908d77313816fad23d11b6069031a3d6b8c97a54f9",
+                "sha256:bf656cd74ff7b4ed7006cdb2a6728150aaad69c7242b42a2a532f77b63ea233f",
+                "sha256:c40966b683d92869b72ea3c11fd6b99a091fd30e12652727eca117273fc97366",
+                "sha256:c95257aa2ccf75d3d91d772060538d5fea7f625e48157f8ca44594f94d41cb33",
+                "sha256:db2797ed7a7e883b9ab76e8e778bb4c859fc2037d6fd0644d8675e64d58d1653",
+                "sha256:dc5023be1c2a8b0a0ab5e31389e62c28b2453eb31dd069f4b8d1a0f9814d951a",
+                "sha256:e14bceb1f3ae8a14374be2b2d7bc12a59226872285f91d66d301e5f41705d4d6",
+                "sha256:e3c4f5211394cd0bf6874ac5d29684a495f9c374919833dcfff0bd6d37f96201",
+                "sha256:e76f017b6d4140a038c5ff12be1581183d7874e41f1c0af58ecf07748d36a336",
+                "sha256:e7d5606b9240ed4def9cbdf35be4308047d11e858b9c88a6c26974758d6225ce",
+                "sha256:f0f80e323a17af63eac6a9db0c9188c10f1fd815c3ab299727150cc0eb92c7a4",
+                "sha256:fb2fa2f6506c03c48ca42e3fe5a692d7470d290c047ee6de7c0f3e5fa7639ac9",
+                "sha256:ffa8fee2b1b9e60b531c4c27cf528d6b5d5da46b1730db1f4d6eee56ff282e07"
+            ],
+            "version": "==6.1.1"
         },
         "entrypoints": {
             "hashes": [
diff --git a/requirements-dev.txt b/requirements-dev.txt
index 39f24f0..d998199 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -11,6 +11,6 @@ attrs==19.3.0
 pluggy==0.13.1
 pytest==5.3.2
 #Coverage
-coverage==5.0
+coverage==6.1.1
 pytest-cov==2.8.1
 -r requirements.txt
\ No newline at end of file