diff --git a/poetry.lock b/poetry.lock
index ce81dcd..de4172a 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -22,9 +22,6 @@ files = [
     {file = "attrs-23.1.0.tar.gz", hash = "sha256:6279836d581513a26f1bf235f9acd333bc9115683f14f7e8fae46c98fc50e015"},
 ]
 
-[package.dependencies]
-importlib-metadata = {version = "*", markers = "python_version < \"3.8\""}
-
 [package.extras]
 cov = ["attrs[tests]", "coverage[toml] (>=5.3)"]
 dev = ["attrs[docs,tests]", "pre-commit"]
@@ -43,44 +40,6 @@ files = [
     {file = "backoff-2.2.1.tar.gz", hash = "sha256:03f829f5bb1923180821643f8753b0502c3b682293992485b0eef2807afa5cba"},
 ]
 
-[[package]]
-name = "boto3"
-version = "1.28.45"
-description = "The AWS SDK for Python"
-optional = true
-python-versions = ">= 3.7"
-files = [
-    {file = "boto3-1.28.45-py3-none-any.whl", hash = "sha256:682abbd304e93e726163d7de7448c1bf88108c72cf6a23dceb6bba86fdc86dff"},
-    {file = "boto3-1.28.45.tar.gz", hash = "sha256:4ee914266c9bed16978677a367fd05053d8dcaddcbe998c9df30787ab73f87aa"},
-]
-
-[package.dependencies]
-botocore = ">=1.31.45,<1.32.0"
-jmespath = ">=0.7.1,<2.0.0"
-s3transfer = ">=0.6.0,<0.7.0"
-
-[package.extras]
-crt = ["botocore[crt] (>=1.21.0,<2.0a0)"]
-
-[[package]]
-name = "botocore"
-version = "1.31.45"
-description = "Low-level, data-driven core of boto 3."
-optional = true
-python-versions = ">= 3.7"
-files = [
-    {file = "botocore-1.31.45-py3-none-any.whl", hash = "sha256:cceb150cff1d7f7a6faf655510a8384eb4505a33b430495fe1744d03a70dc66a"},
-    {file = "botocore-1.31.45.tar.gz", hash = "sha256:85ff64a0ac2705c4ba36268c3b2dbc1184062e9cf729a89dd66c2f54f730fc79"},
-]
-
-[package.dependencies]
-jmespath = ">=0.7.1,<2.0.0"
-python-dateutil = ">=2.1,<3.0.0"
-urllib3 = ">=1.25.4,<1.27"
-
-[package.extras]
-crt = ["awscrt (==0.16.26)"]
-
 [[package]]
 name = "certifi"
 version = "2023.7.22"
@@ -265,7 +224,6 @@ files = [
 
 [package.dependencies]
 colorama = {version = "*", markers = "platform_system == \"Windows\""}
-importlib-metadata = {version = "*", markers = "python_version < \"3.8\""}
 
 [[package]]
 name = "colorama"
@@ -367,22 +325,6 @@ six = ">=1.10,<2.0"
 [package.extras]
 scandir = ["scandir (>=1.5,<2.0)"]
 
-[[package]]
-name = "fs-s3fs"
-version = "1.1.1"
-description = "Amazon S3 filesystem for PyFilesystem2"
-optional = true
-python-versions = "*"
-files = [
-    {file = "fs-s3fs-1.1.1.tar.gz", hash = "sha256:b57f8c7664460ff7b451b4b44ca2ea9623a374d74e1284c2d5e6df499dc7976c"},
-    {file = "fs_s3fs-1.1.1-py2.py3-none-any.whl", hash = "sha256:9ba160eaa93390cc5992a857675666cb2fbb3721b872474dfdc659a715c39280"},
-]
-
-[package.dependencies]
-boto3 = ">=1.9,<2.0"
-fs = ">=2.4,<3.0"
-six = ">=1.10,<2.0"
-
 [[package]]
 name = "greenlet"
 version = "2.0.2"
@@ -471,26 +413,6 @@ files = [
     {file = "idna-3.4.tar.gz", hash = "sha256:814f528e8dead7d329833b91c5faa87d60bf71824cd12a7530b5526063d02cb4"},
 ]
 
-[[package]]
-name = "importlib-metadata"
-version = "4.13.0"
-description = "Read metadata from Python packages"
-optional = false
-python-versions = ">=3.7"
-files = [
-    {file = "importlib_metadata-4.13.0-py3-none-any.whl", hash = "sha256:8a8a81bcf996e74fee46f0d16bd3eaa382a7eb20fd82445c3ad11f4090334116"},
-    {file = "importlib_metadata-4.13.0.tar.gz", hash = "sha256:dd0173e8f150d6815e098fd354f6414b0f079af4644ddfe90c71e2fc6174346d"},
-]
-
-[package.dependencies]
-typing-extensions = {version = ">=3.6.4", markers = "python_version < \"3.8\""}
-zipp = ">=0.5"
-
-[package.extras]
-docs = ["furo", "jaraco.packaging (>=9)", "jaraco.tidelift (>=1.4)", "rst.linker (>=1.9)", "sphinx (>=3.5)"]
-perf = ["ipython"]
-testing = ["flake8 (<5)", "flufl.flake8", "importlib-resources (>=1.3)", "packaging", "pyfakefs", "pytest (>=6)", "pytest-black (>=0.3.7)", "pytest-checkdocs (>=2.4)", "pytest-cov", "pytest-enabler (>=1.3)", "pytest-flake8", "pytest-mypy (>=0.9.1)", "pytest-perf (>=0.9.2)"]
-
 [[package]]
 name = "importlib-resources"
 version = "5.12.0"
@@ -531,17 +453,6 @@ files = [
     {file = "iniconfig-2.0.0.tar.gz", hash = "sha256:2d91e135bf72d31a410b17c16da610a82cb55f6b0477d1a902134b24a455b8b3"},
 ]
 
-[[package]]
-name = "jmespath"
-version = "1.0.1"
-description = "JSON Matching Expressions"
-optional = true
-python-versions = ">=3.7"
-files = [
-    {file = "jmespath-1.0.1-py3-none-any.whl", hash = "sha256:02e2e4cc71b5bcab88332eebf907519190dd9e6e82107fa7f83b1003a6252980"},
-    {file = "jmespath-1.0.1.tar.gz", hash = "sha256:90261b206d6defd58fdd5e85f478bf633a2901798906be2ad389150c5c60edbe"},
-]
-
 [[package]]
 name = "joblib"
 version = "1.3.2"
@@ -583,11 +494,9 @@ files = [
 
 [package.dependencies]
 attrs = ">=17.4.0"
-importlib-metadata = {version = "*", markers = "python_version < \"3.8\""}
 importlib-resources = {version = ">=1.4.0", markers = "python_version < \"3.9\""}
 pkgutil-resolve-name = {version = ">=1.3.10", markers = "python_version < \"3.9\""}
 pyrsistent = ">=0.14.0,<0.17.0 || >0.17.0,<0.17.1 || >0.17.1,<0.17.2 || >0.17.2"
-typing-extensions = {version = "*", markers = "python_version < \"3.8\""}
 
 [package.extras]
 format = ["fqdn", "idna", "isoduration", "jsonpointer (>1.13)", "rfc3339-validator", "rfc3987", "uri-template", "webcolors (>=1.11)"]
@@ -670,9 +579,6 @@ files = [
     {file = "pluggy-1.2.0.tar.gz", hash = "sha256:d12f0c4b579b15f5e054301bb226ee85eeeba08ffec228092f8defbaa3a4c4b3"},
 ]
 
-[package.dependencies]
-importlib-metadata = {version = ">=0.12", markers = "python_version < \"3.8\""}
-
 [package.extras]
 dev = ["pre-commit", "tox"]
 testing = ["pytest", "pytest-benchmark"]
@@ -710,9 +616,6 @@ files = [
     {file = "PyJWT-2.8.0.tar.gz", hash = "sha256:57e28d156e3d5c10088e0c68abb90bfac3df82b40a71bd0daa20c65ccd5c23de"},
 ]
 
-[package.dependencies]
-typing-extensions = {version = "*", markers = "python_version <= \"3.7\""}
-
 [package.extras]
 crypto = ["cryptography (>=3.4.0)"]
 dev = ["coverage[toml] (==5.0.4)", "cryptography (>=3.4.0)", "pre-commit", "pytest (>=6.0.0,<7.0.0)", "sphinx (>=4.5.0,<5.0.0)", "sphinx-rtd-theme", "zope.interface"]
@@ -769,7 +672,6 @@ files = [
 [package.dependencies]
 colorama = {version = "*", markers = "sys_platform == \"win32\""}
 exceptiongroup = {version = ">=1.0.0rc8", markers = "python_version < \"3.11\""}
-importlib-metadata = {version = ">=0.12", markers = "python_version < \"3.8\""}
 iniconfig = "*"
 packaging = "*"
 pluggy = ">=0.12,<2.0"
@@ -923,21 +825,23 @@ socks = ["PySocks (>=1.5.6,!=1.5.7)"]
 use-chardet-on-py3 = ["chardet (>=3.0.2,<6)"]
 
 [[package]]
-name = "s3transfer"
-version = "0.6.2"
-description = "An Amazon S3 Transfer Manager"
-optional = true
-python-versions = ">= 3.7"
+name = "requests-mock"
+version = "1.11.0"
+description = "Mock out responses from the requests package"
+optional = false
+python-versions = "*"
 files = [
-    {file = "s3transfer-0.6.2-py3-none-any.whl", hash = "sha256:b014be3a8a2aab98cfe1abc7229cc5a9a0cf05eb9c1f2b86b230fd8df3f78084"},
-    {file = "s3transfer-0.6.2.tar.gz", hash = "sha256:cab66d3380cca3e70939ef2255d01cd8aece6a4907a9528740f668c4b0611861"},
+    {file = "requests-mock-1.11.0.tar.gz", hash = "sha256:ef10b572b489a5f28e09b708697208c4a3b2b89ef80a9f01584340ea357ec3c4"},
+    {file = "requests_mock-1.11.0-py2.py3-none-any.whl", hash = "sha256:f7fae383f228633f6bececebdab236c478ace2284d6292c6e7e2867b9ab74d15"},
 ]
 
 [package.dependencies]
-botocore = ">=1.12.36,<2.0a.0"
+requests = ">=2.3,<3"
+six = "*"
 
 [package.extras]
-crt = ["botocore[crt] (>=1.20.29,<2.0a.0)"]
+fixture = ["fixtures"]
+test = ["fixtures", "mock", "purl", "pytest", "requests-futures", "sphinx", "testtools"]
 
 [[package]]
 name = "setuptools"
@@ -1065,7 +969,6 @@ backoff = ">=2.0.0,<3.0"
 click = ">=8.0,<9.0"
 cryptography = ">=3.4.6,<42.0.0"
 fs = ">=2.4.16,<3.0.0"
-importlib-metadata = {version = "<5.0.0", markers = "python_version < \"3.8\""}
 importlib-resources = {version = "5.12.0", markers = "python_version < \"3.9\""}
 inflection = ">=0.5.1,<0.6.0"
 joblib = ">=1.0.1,<2.0.0"
@@ -1154,7 +1057,6 @@ files = [
 
 [package.dependencies]
 greenlet = {version = "!=0.4.17", markers = "platform_machine == \"aarch64\" or platform_machine == \"ppc64le\" or platform_machine == \"x86_64\" or platform_machine == \"amd64\" or platform_machine == \"AMD64\" or platform_machine == \"win32\" or platform_machine == \"WIN32\""}
-importlib-metadata = {version = "*", markers = "python_version < \"3.8\""}
 typing-extensions = ">=4.2.0"
 
 [package.extras]
@@ -1234,10 +1136,7 @@ files = [
 docs = ["furo", "jaraco.packaging (>=9)", "jaraco.tidelift (>=1.4)", "rst.linker (>=1.9)", "sphinx (>=3.5)", "sphinx-lint"]
 testing = ["big-O", "flake8 (<5)", "jaraco.functools", "jaraco.itertools", "more-itertools", "pytest (>=6)", "pytest-black (>=0.3.7)", "pytest-checkdocs (>=2.4)", "pytest-cov", "pytest-enabler (>=1.3)", "pytest-flake8", "pytest-mypy (>=0.9.1)"]
 
-[extras]
-s3 = ["fs-s3fs"]
-
 [metadata]
 lock-version = "2.0"
-python-versions = "<3.12,>=3.7.1"
-content-hash = "24583ce0f0d62b9140219c0471a9fe5f9e2aac34cce04d72c850f2d69bc888b4"
+python-versions = "<3.12,>=3.8.0"
+content-hash = "8b47e688e4f02d87d7c499df2ca609c1dc65d0c1553c4383d1ac5da6e4980847"
diff --git a/pyproject.toml b/pyproject.toml
index 7d1187e..2407e30 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -22,6 +22,7 @@ requests = "^2.31.0"
 [tool.poetry.group.dev.dependencies]
 pytest = "^7.4.0"
 singer-sdk = { version="^0.31.1", extras = ["testing"] }
+requests-mock = "^1.11.0"
 
 [tool.mypy]
 python_version = "3.9"
@@ -34,7 +35,7 @@ ignore = [
 ]
 select = ["ALL"]
 src = ["tap_linear"]
-target-version = "py311"
+target-version = "py38"
 
 
 [tool.ruff.flake8-annotations]
diff --git a/tests/test_core.py b/tests/test_core.py
index da2d03b..1a66443 100644
--- a/tests/test_core.py
+++ b/tests/test_core.py
@@ -2,18 +2,19 @@
 
 import datetime
 
-from singer_sdk.testing import get_tap_test_class
+from singer_sdk.testing.legacy import get_standard_tap_tests
 
 from tap_linear.tap import TapLinear
 
 SAMPLE_CONFIG = {
-    "start_date": datetime.datetime.now(datetime.UTC).strftime("%Y-%m-%d"),
+    "start_date": datetime.datetime.now(datetime.timezone.utc).strftime("%Y-%m-%d"),
     "auth_token": "test",
 }
 
 
-# Run standard built-in tap tests from the SDK:
-TestTapLinear = get_tap_test_class(
-    tap_class=TapLinear,
-    config=SAMPLE_CONFIG,
-)
+def test_standard_tap_tests(requests_mock) -> None:  # noqa: ANN001
+    """Run standard built-in tap tests from the SDK."""
+    requests_mock.post("/graphql", json={"data": {"results": {"nodes": []}}})
+    tests = get_standard_tap_tests(TapLinear, config=SAMPLE_CONFIG)
+    for test in tests:
+        test()
diff --git a/tox.ini b/tox.ini
index 70b9e4a..8de2dab 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,7 +1,7 @@
 # This file can be used to customize tox tests as well as other test frameworks like flake8 and mypy
 
 [tox]
-envlist = py37, py38, py39, py310, py311
+envlist = py38, py39, py310, py311
 isolated_build = true
 
 [testenv]
@@ -13,7 +13,7 @@ commands =
 [testenv:pytest]
 # Run the python tests.
 # To execute, run `tox -e pytest`
-envlist = py37, py38, py39, py310, py311
+envlist = py38, py39, py310, py311
 commands =
     poetry install -v
     poetry run pytest