diff --git a/poetry.lock b/poetry.lock
index df7003ab..30697b4f 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -712,14 +712,14 @@ testing = ["coverage", "hypothesis (>=5.7.1)"]
 
 [[package]]
 name = "pytest-cov"
-version = "2.11.1"
+version = "2.12.0"
 description = "Pytest plugin for measuring coverage."
 category = "dev"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
 
 [package.dependencies]
-coverage = ">=5.2.1"
+coverage = {version = ">=5.2.1", extras = ["toml"]}
 pytest = ">=4.6"
 
 [package.extras]
@@ -1180,7 +1180,7 @@ cli = ["click", "tabulate", "dateparser"]
 [metadata]
 lock-version = "1.1"
 python-versions = "^3.7.1"
-content-hash = "b5ace62fc7d638a83191765c71691141d9ebfa7ad1c74f722972f3c2dd3af78c"
+content-hash = "5ce68bd632e6b2f75eb97f7cbddd31ddcdcfa373f4aa008b03c0f2237d372243"
 
 [metadata.files]
 aiohttp = [
@@ -1624,8 +1624,8 @@ pytest-asyncio = [
     {file = "pytest_asyncio-0.15.1-py3-none-any.whl", hash = "sha256:3042bcdf1c5d978f6b74d96a151c4cfb9dcece65006198389ccd7e6c60eb1eea"},
 ]
 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-2.12.0.tar.gz", hash = "sha256:8535764137fecce504a49c2b742288e3d34bc09eed298ad65963616cc98fd45e"},
+    {file = "pytest_cov-2.12.0-py2.py3-none-any.whl", hash = "sha256:95d4933dcbbacfa377bb60b29801daa30d90c33981ab2a79e9ab4452c165066e"},
 ]
 python-dateutil = [
     {file = "python-dateutil-2.8.1.tar.gz", hash = "sha256:73ebfe9dbf22e832286dafa60473e4cd239f8592f699aa5adaf10050e6e1823c"},
diff --git a/pyproject.toml b/pyproject.toml
index 61ab7550..b3705443 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -53,7 +53,7 @@ sphinx-click = "^3.0.0"
 Pygments = "^2.9.0"
 pytest-asyncio = "^0.15.1"
 aioresponses = "^0.7.2"
-pytest-cov = "^2.11.1"
+pytest-cov = "^2.12.0"
 
 [tool.poetry.extras]
 cli = ["click", "tabulate", "dateparser"]