diff --git a/poetry.lock b/poetry.lock
index 39395ef..a16cbf2 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -428,7 +428,7 @@ name = "pyyaml"
 version = "5.3.1"
 description = "YAML parser and emitter for Python"
 category = "dev"
-optional = false
+optional = true
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
 
 [[package]]
@@ -473,18 +473,19 @@ requests = ">=1.1.0"
 
 [[package]]
 name = "responses"
-version = "0.10.15"
+version = "0.13.4"
 description = "A utility library for mocking out the `requests` Python library."
 category = "dev"
 optional = false
-python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
 
 [package.dependencies]
 requests = ">=2.0"
 six = "*"
+urllib3 = ">=1.25.10"
 
 [package.extras]
-tests = ["coverage (>=3.7.1,<5.0.0)", "pytest-cov", "pytest-localserver", "flake8", "pytest (>=4.6,<5.0)", "pytest"]
+tests = ["coverage (>=3.7.1,<6.0.0)", "pytest-cov", "pytest-localserver", "flake8", "types-mock", "types-requests", "types-six", "pytest (>=4.6,<5.0)", "pytest (>=4.6)", "mypy"]
 
 [[package]]
 name = "six"
@@ -660,13 +661,14 @@ testing = ["flaky (>=3.4.0)", "freezegun (>=0.3.11)", "pathlib2 (>=2.3.3)", "psu
 
 [[package]]
 name = "urllib3"
-version = "1.24.2"
+version = "1.26.6"
 description = "HTTP library with thread-safe connection pooling, file post, and more."
 category = "main"
 optional = false
-python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, <4"
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*, <4"
 
 [package.extras]
+brotli = ["brotlipy (>=0.6.0)"]
 secure = ["pyOpenSSL (>=0.14)", "cryptography (>=1.3.4)", "idna (>=2.0.0)", "certifi", "ipaddress"]
 socks = ["PySocks (>=1.5.6,!=1.5.7,<2.0)"]
 
@@ -703,7 +705,7 @@ travis-ci = []
 [metadata]
 lock-version = "1.1"
 python-versions = "^3.6"
-content-hash = "a18078e1b4a0363f1c0171e88d27f24b80e5a9e8d460836525b282702be6458f"
+content-hash = "98256e0e6e182d4bff879263778dfc8f1a6da7221b73e5774518acd44c1bd214"
 
 [metadata.files]
 alabaster = [
@@ -974,8 +976,8 @@ requests-cache = [
     {file = "requests_cache-0.5.2-py2.py3-none-any.whl", hash = "sha256:81e13559baee64677a7d73b85498a5a8f0639e204517b5d05ff378e44a57831a"},
 ]
 responses = [
-    {file = "responses-0.10.15-py2.py3-none-any.whl", hash = "sha256:af94d28cdfb48ded0ad82a5216616631543650f440334a693479b8991a6594a2"},
-    {file = "responses-0.10.15.tar.gz", hash = "sha256:7bb697a5fedeb41d81e8b87f152d453d5cab42dcd1691b6a7d6097e94d33f373"},
+    {file = "responses-0.13.4-py2.py3-none-any.whl", hash = "sha256:d8d0f655710c46fd3513b9202a7f0dcedd02ca0f8cf4976f27fa8ab5b81e656d"},
+    {file = "responses-0.13.4.tar.gz", hash = "sha256:9476775d856d3c24ae660bbebe29fb6d789d4ad16acd723efbfb6ee20990b899"},
 ]
 six = [
     {file = "six-1.14.0-py2.py3-none-any.whl", hash = "sha256:8f3cd2e254d8f793e7f3d6d9df77b92252b52637291d0f0da013c76ea2724b6c"},
@@ -1031,8 +1033,8 @@ tox = [
     {file = "tox-3.19.0.tar.gz", hash = "sha256:17e61a93afe5c49281fb969ab71f7a3f22d7586d1c56f9a74219910f356fe7d3"},
 ]
 urllib3 = [
-    {file = "urllib3-1.24.2-py2.py3-none-any.whl", hash = "sha256:4c291ca23bbb55c76518905869ef34bdd5f0e46af7afe6861e8375643ffee1a0"},
-    {file = "urllib3-1.24.2.tar.gz", hash = "sha256:9a247273df709c4fedb38c711e44292304f73f39ab01beda9f6b9fc375669ac3"},
+    {file = "urllib3-1.26.6-py2.py3-none-any.whl", hash = "sha256:39fb8672126159acb139a7718dd10806104dec1e2f0f6c88aab05d17df10c8d4"},
+    {file = "urllib3-1.26.6.tar.gz", hash = "sha256:f57b4c16c62fa2760b7e3d97c35b255512fb6b59a259730f36ba32ce9f8e342f"},
 ]
 virtualenv = [
     {file = "virtualenv-16.2.0-py2.py3-none-any.whl", hash = "sha256:34b9ae3742abed2f95d3970acf4d80533261d6061b51160b197f84e5b4c98b4c"},
diff --git a/pyproject.toml b/pyproject.toml
index 7a5815f..7f25e7d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -36,7 +36,7 @@ arrow = ">=0.12.1,<0.17.0"
 pytest = "^6.2"
 pytest-cov = "^2.11"
 pytest-flake8 = "^1.0"
-responses = "^0.10.15"
+responses = "^0.13.4"
 pytest-runner = "^5.3"
 towncrier = {version = "^19.2", optional = true}
 tox = "^3.19"