diff --git a/poetry.lock b/poetry.lock
index 5c2f155..f58016a 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -345,15 +345,15 @@ category = "dev"
 description = "Pytest plugin for measuring coverage."
 name = "pytest-cov"
 optional = false
-python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "2.8.1"
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
+version = "2.10.0"
 
 [package.dependencies]
 coverage = ">=4.4"
-pytest = ">=3.6"
+pytest = ">=4.6"
 
 [package.extras]
-testing = ["fields", "hunter", "process-tests (2.0.2)", "six", "virtualenv"]
+testing = ["fields", "hunter", "process-tests (2.0.2)", "six", "pytest-xdist", "virtualenv"]
 
 [[package]]
 category = "main"
@@ -483,7 +483,7 @@ docs = ["sphinx", "jaraco.packaging (>=3.2)", "rst.linker (>=1.9)"]
 testing = ["pathlib2", "unittest2", "jaraco.itertools", "func-timeout"]
 
 [metadata]
-content-hash = "6c173080253c3ac650e495adec1d08a47017f750723521edbae94e596b0ebd48"
+content-hash = "e58744b4e1c371de3898d5b78ef5e705e803c7e503a53e13657f38822ea120a9"
 python-versions = "^3.5"
 
 [metadata.files]
@@ -667,8 +667,8 @@ pytest = [
     {file = "pytest-5.4.2.tar.gz", hash = "sha256:eb2b5e935f6a019317e455b6da83dd8650ac9ffd2ee73a7b657a30873d67a698"},
 ]
 pytest-cov = [
-    {file = "pytest-cov-2.8.1.tar.gz", hash = "sha256:cc6742d8bac45070217169f5f72ceee1e0e55b0221f54bcf24845972d3a47f2b"},
-    {file = "pytest_cov-2.8.1-py2.py3-none-any.whl", hash = "sha256:cdbdef4f870408ebdbfeb44e63e07eb18bb4619fae852f6e760645fa36172626"},
+    {file = "pytest-cov-2.10.0.tar.gz", hash = "sha256:1a629dc9f48e53512fcbfda6b07de490c374b0c83c55ff7a1720b3fccff0ac87"},
+    {file = "pytest_cov-2.10.0-py2.py3-none-any.whl", hash = "sha256:6e6d18092dce6fad667cd7020deed816f858ad3b49d5b5e2b1cc1c97a4dba65c"},
 ]
 pyyaml = [
     {file = "PyYAML-5.3.1-cp27-cp27m-win32.whl", hash = "sha256:74809a57b329d6cc0fdccee6318f44b9b8649961fa73144a98735b0aaf029f1f"},
diff --git a/pyproject.toml b/pyproject.toml
index c560ae8..2cc2c95 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -27,7 +27,7 @@ pyyaml = "^5.3"
 
 [tool.poetry.dev-dependencies]
 pytest = "^5.4.2"
-pytest-cov = "^2.8.1"
+pytest-cov = "^2.10.0"
 coveralls = "^1.11.1"
 black = {version = "^19.10b0", python = "^3.6"}
 codecov = "^2.1.3"