diff --git a/poetry.lock b/poetry.lock
index 21dfe2e..1c4c4ed 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -435,7 +435,7 @@ pytest = ">=5.0"
 
 [[package]]
 name = "pytest-cov"
-version = "2.11.1"
+version = "2.12.1"
 description = "Pytest plugin for measuring coverage."
 category = "dev"
 optional = false
@@ -444,9 +444,10 @@ python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
 [package.dependencies]
 coverage = ">=5.2.1"
 pytest = ">=4.6"
+toml = "*"
 
 [package.extras]
-testing = ["fields", "hunter", "process-tests (==2.0.2)", "six", "pytest-xdist", "virtualenv"]
+testing = ["fields", "hunter", "process-tests", "six", "pytest-xdist", "virtualenv"]
 
 [[package]]
 name = "regex"
@@ -593,7 +594,7 @@ sqlite = ["aiosqlite"]
 [metadata]
 lock-version = "1.1"
 python-versions = "^3.7"
-content-hash = "bfc111f9cfcf8137c21116a4deec59b237eed283ae89d934d5b704b697bec2f2"
+content-hash = "fe8ac307125440171d27c50167952eb559204959dae8379c40cef83ed19d7bc2"
 
 [metadata.files]
 aiosqlite = [
@@ -827,8 +828,8 @@ pytest-click = [
     {file = "pytest_click-1.0.2.tar.gz", hash = "sha256:b40b8435adde7a0d931352036a3882b13cd424fce2ffd7be6c87665050259be5"},
 ]
 pytest-cov = [
-    {file = "pytest-cov-2.11.1.tar.gz", hash = "sha256:359952d9d39b9f822d9d29324483e7ba04a3a17dd7d05aa6beb7ea01e359e5f7"},
-    {file = "pytest_cov-2.11.1-py2.py3-none-any.whl", hash = "sha256:bdb9fdb0b85a7cc825269a4c56b48ccaa5c7e365054b6038772c32ddcdc969da"},
+    {file = "pytest-cov-2.12.1.tar.gz", hash = "sha256:261ceeb8c227b726249b376b8526b600f38667ee314f910353fa318caa01f4d7"},
+    {file = "pytest_cov-2.12.1-py2.py3-none-any.whl", hash = "sha256:261bb9e47e65bd099c89c3edf92972865210c36813f80ede5277dceb77a4a62a"},
 ]
 regex = [
     {file = "regex-2020.9.27-cp27-cp27m-win32.whl", hash = "sha256:d23a18037313714fb3bb5a94434d3151ee4300bae631894b1ac08111abeaa4a3"},
diff --git a/pyproject.toml b/pyproject.toml
index 0149145..3387392 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -35,7 +35,7 @@ black = "^20.8b1"
 pydocstyle = "^6.0.0"
 docutils = "^0.16"
 pytest = "^6.2.2"
-pytest-cov = "^2.11.1"
+pytest-cov = "^2.12.1"
 pytest-click = "^1.0.2"
 
 [tool.poetry.extras]