diff --git a/poetry.lock b/poetry.lock
index 5c2f155..32957f7 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -129,16 +129,16 @@ category = "dev"
 description = "Show coverage stats online via coveralls.io"
 name = "coveralls"
 optional = false
-python-versions = "*"
-version = "1.11.1"
+python-versions = ">= 3.5"
+version = "2.1.2"
 
 [package.dependencies]
-coverage = ">=3.6,<6.0"
+coverage = ">=4.1,<6.0"
 docopt = ">=0.6.1"
 requests = ">=1.0.0"
 
 [package.extras]
-yaml = ["PyYAML (>=3.10,<5.3)"]
+yaml = ["PyYAML (>=3.10)"]
 
 [[package]]
 category = "main"
@@ -483,7 +483,8 @@ docs = ["sphinx", "jaraco.packaging (>=3.2)", "rst.linker (>=1.9)"]
 testing = ["pathlib2", "unittest2", "jaraco.itertools", "func-timeout"]
 
 [metadata]
-content-hash = "6c173080253c3ac650e495adec1d08a47017f750723521edbae94e596b0ebd48"
+content-hash = "4b95059f17f1f7b361e6e0c3759dc6e5afd91db74912ab7912046e891a7b8872"
+lock-version = "1.0"
 python-versions = "^3.5"
 
 [metadata.files]
@@ -564,8 +565,8 @@ coverage = [
     {file = "coverage-5.1.tar.gz", hash = "sha256:f90bfc4ad18450c80b024036eaf91e4a246ae287701aaa88eaebebf150868052"},
 ]
 coveralls = [
-    {file = "coveralls-1.11.1-py2.py3-none-any.whl", hash = "sha256:4b6bfc2a2a77b890f556bc631e35ba1ac21193c356393b66c84465c06218e135"},
-    {file = "coveralls-1.11.1.tar.gz", hash = "sha256:67188c7ec630c5f708c31552f2bcdac4580e172219897c4136504f14b823132f"},
+    {file = "coveralls-2.1.2-py2.py3-none-any.whl", hash = "sha256:b3b60c17b03a0dee61952a91aed6f131e0b2ac8bd5da909389c53137811409e1"},
+    {file = "coveralls-2.1.2.tar.gz", hash = "sha256:4430b862baabb3cf090d36d84d331966615e4288d8a8c5957e0fd456d0dd8bd6"},
 ]
 docopt = [
     {file = "docopt-0.6.2.tar.gz", hash = "sha256:49b3a825280bd66b3aa83585ef59c4a8c82f2c8a522dbe754a8bc8d08c85c491"},
@@ -707,6 +708,7 @@ regex = [
     {file = "regex-2020.5.14.tar.gz", hash = "sha256:ce450ffbfec93821ab1fea94779a8440e10cf63819be6e176eb1973a6017aff5"},
 ]
 requests = [
+    {file = "requests-2.23.0-py2.7.egg", hash = "sha256:5d2d0ffbb515f39417009a46c14256291061ac01ba8f875b90cad137de83beb4"},
     {file = "requests-2.23.0-py2.py3-none-any.whl", hash = "sha256:43999036bfa82904b6af1d99e4882b560e5e2c68e5c4b0aa03b655f3d7d73fee"},
     {file = "requests-2.23.0.tar.gz", hash = "sha256:b3f43d496c6daba4493e7c431722aeb7dbc6288f52a6e04e7b6023b0247817e6"},
 ]
diff --git a/pyproject.toml b/pyproject.toml
index c560ae8..07098f2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -28,6 +28,6 @@ pyyaml = "^5.3"
 [tool.poetry.dev-dependencies]
 pytest = "^5.4.2"
 pytest-cov = "^2.8.1"
-coveralls = "^1.11.1"
+coveralls = "^2.1.2"
 black = {version = "^19.10b0", python = "^3.6"}
 codecov = "^2.1.3"