diff --git a/poetry.lock b/poetry.lock
index 5c2f155..bf1968e 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 = "2.0.0"
 
 [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 +483,7 @@ docs = ["sphinx", "jaraco.packaging (>=3.2)", "rst.linker (>=1.9)"]
 testing = ["pathlib2", "unittest2", "jaraco.itertools", "func-timeout"]
 
 [metadata]
-content-hash = "6c173080253c3ac650e495adec1d08a47017f750723521edbae94e596b0ebd48"
+content-hash = "5510f604a8be28591b885b8f77f1ad0ab877c3185883c8147bce3566db052273"
 python-versions = "^3.5"
 
 [metadata.files]
@@ -564,8 +564,8 @@ 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-2.0.0-py2.py3-none-any.whl", hash = "sha256:41bd57b60321dfd5b56e990ab3f7ed876090691c21a9e3b005e1f6e42e6ba4b9"},
+    {file = "coveralls-2.0.0.tar.gz", hash = "sha256:d213f5edd49053d03f0db316ccabfe17725f2758147afc9a37eaca9d8e8602b5"},
 ]
 docopt = [
     {file = "docopt-0.6.2.tar.gz", hash = "sha256:49b3a825280bd66b3aa83585ef59c4a8c82f2c8a522dbe754a8bc8d08c85c491"},
diff --git a/pyproject.toml b/pyproject.toml
index c560ae8..0b114d5 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 = "^2.0.0"
 black = {version = "^19.10b0", python = "^3.6"}
 codecov = "^2.1.3"