diff --git a/poetry.lock b/poetry.lock
index 3aa9fdb..d601c4e 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -52,14 +52,6 @@ win32-setctime = ">=1.0.0"
 [package.extras]
 dev = ["codecov (>=2.0.15)", "colorama (>=0.3.4)", "flake8 (>=3.7.7)", "isort (>=4.3.20)", "tox (>=3.9.0)", "tox-travis (>=0.12)", "pytest (>=4.6.2)", "pytest-cov (>=2.7.1)", "Sphinx (>=2.2.1)", "sphinx-autobuild (>=0.7.1)", "sphinx-rtd-theme (>=0.4.3)", "black (>=19.3b0)"]
 
-[[package]]
-category = "dev"
-description = "More routines for operating on iterables, beyond itertools"
-name = "more-itertools"
-optional = false
-python-versions = ">=3.5"
-version = "8.5.0"
-
 [[package]]
 category = "dev"
 description = "Core utilities for Python packages"
@@ -116,14 +108,13 @@ description = "pytest: simple powerful testing with Python"
 name = "pytest"
 optional = false
 python-versions = ">=3.5"
-version = "6.0.1"
+version = "6.1.1"
 
 [package.dependencies]
 atomicwrites = ">=1.0"
 attrs = ">=17.4.0"
 colorama = "*"
 iniconfig = "*"
-more-itertools = ">=4.0.0"
 packaging = "*"
 pluggy = ">=0.12,<1.0"
 py = ">=1.8.2"
@@ -163,6 +154,7 @@ dev = ["pytest (>=4.6.2)", "black (>=19.3b0)"]
 
 [metadata]
 content-hash = "7039e710d7caefbbda3b4d3c1f7b51834c5195328e9bf08fb491a937e8fe7d82"
+lock-version = "1.0"
 python-versions = "^3.8"
 
 [metadata.files]
@@ -186,10 +178,6 @@ loguru = [
     {file = "loguru-0.5.1-py3-none-any.whl", hash = "sha256:e5d362a43cd2fc2da63551d79a6830619c4d5b3a8b976515748026f92f351b61"},
     {file = "loguru-0.5.1.tar.gz", hash = "sha256:70201d5fce26da89b7a5f168caa2bb674e06b969829f56737db1d6472e53e7c3"},
 ]
-more-itertools = [
-    {file = "more-itertools-8.5.0.tar.gz", hash = "sha256:6f83822ae94818eae2612063a5101a7311e68ae8002005b5e05f03fd74a86a20"},
-    {file = "more_itertools-8.5.0-py3-none-any.whl", hash = "sha256:9b30f12df9393f0d28af9210ff8efe48d10c94f73e5daf886f10c4b0b0b4f03c"},
-]
 packaging = [
     {file = "packaging-20.4-py2.py3-none-any.whl", hash = "sha256:998416ba6962ae7fbd6596850b80e17859a5753ba17c32284f67bfff33784181"},
     {file = "packaging-20.4.tar.gz", hash = "sha256:4357f74f47b9c12db93624a82154e9b120fa8293699949152b22065d556079f8"},
@@ -220,8 +208,8 @@ pyparsing = [
     {file = "pyparsing-2.4.7.tar.gz", hash = "sha256:c203ec8783bf771a155b207279b9bccb8dea02d8f0c9e5f8ead507bc3246ecc1"},
 ]
 pytest = [
-    {file = "pytest-6.0.1-py3-none-any.whl", hash = "sha256:8b6007800c53fdacd5a5c192203f4e531eb2a1540ad9c752e052ec0f7143dbad"},
-    {file = "pytest-6.0.1.tar.gz", hash = "sha256:85228d75db9f45e06e57ef9bf4429267f81ac7c0d742cc9ed63d09886a9fe6f4"},
+    {file = "pytest-6.1.1-py3-none-any.whl", hash = "sha256:7a8190790c17d79a11f847fba0b004ee9a8122582ebff4729a082c109e81a4c9"},
+    {file = "pytest-6.1.1.tar.gz", hash = "sha256:8f593023c1a0f916110285b6efd7f99db07d59546e3d8c36fc60e2ab05d3be92"},
 ]
 six = [
     {file = "six-1.15.0-py2.py3-none-any.whl", hash = "sha256:8b74bedcbbbaca38ff6d7491d76f2b06b3592611af620f8426e82dddb04a5ced"},