diff --git a/poetry.lock b/poetry.lock
index 924bf9f..932c7d6 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1258,23 +1258,18 @@ jeepney = ">=0.6"
 
 [[package]]
 name = "setuptools"
-version = "74.1.2"
+version = "70.3.0"
 description = "Easily download, build, install, upgrade, and uninstall Python packages"
 optional = false
 python-versions = ">=3.8"
 files = [
-    {file = "setuptools-74.1.2-py3-none-any.whl", hash = "sha256:5f4c08aa4d3ebcb57a50c33b1b07e94315d7fc7230f7115e47fc99776c8ce308"},
-    {file = "setuptools-74.1.2.tar.gz", hash = "sha256:95b40ed940a1c67eb70fc099094bd6e99c6ee7c23aa2306f4d2697ba7916f9c6"},
+    {file = "setuptools-70.3.0-py3-none-any.whl", hash = "sha256:fe384da74336c398e0d956d1cae0669bc02eed936cdb1d49b57de1990dc11ffc"},
+    {file = "setuptools-70.3.0.tar.gz", hash = "sha256:f171bab1dfbc86b132997f26a119f6056a57950d058587841a0082e8830f9dc5"},
 ]
 
 [package.extras]
-check = ["pytest-checkdocs (>=2.4)", "pytest-ruff (>=0.2.1)", "ruff (>=0.5.2)"]
-core = ["importlib-metadata (>=6)", "importlib-resources (>=5.10.2)", "jaraco.text (>=3.7)", "more-itertools (>=8.8)", "packaging (>=24)", "platformdirs (>=2.6.2)", "tomli (>=2.0.1)", "wheel (>=0.43.0)"]
-cover = ["pytest-cov"]
-doc = ["furo", "jaraco.packaging (>=9.3)", "jaraco.tidelift (>=1.4)", "pygments-github-lexers (==0.0.5)", "pyproject-hooks (!=1.1)", "rst.linker (>=1.9)", "sphinx (>=3.5)", "sphinx-favicon", "sphinx-inline-tabs", "sphinx-lint", "sphinx-notfound-page (>=1,<2)", "sphinx-reredirects", "sphinxcontrib-towncrier", "towncrier (<24.7)"]
-enabler = ["pytest-enabler (>=2.2)"]
-test = ["build[virtualenv] (>=1.0.3)", "filelock (>=3.4.0)", "ini2toml[lite] (>=0.14)", "jaraco.develop (>=7.21)", "jaraco.envs (>=2.2)", "jaraco.path (>=3.2.0)", "jaraco.test", "packaging (>=23.2)", "pip (>=19.1)", "pyproject-hooks (!=1.1)", "pytest (>=6,!=8.1.*)", "pytest-home (>=0.5)", "pytest-perf", "pytest-subprocess", "pytest-timeout", "pytest-xdist (>=3)", "tomli-w (>=1.0.0)", "virtualenv (>=13.0.0)", "wheel (>=0.44.0)"]
-type = ["importlib-metadata (>=7.0.2)", "jaraco.develop (>=7.21)", "mypy (==1.11.*)", "pytest-mypy"]
+doc = ["furo", "jaraco.packaging (>=9.3)", "jaraco.tidelift (>=1.4)", "pygments-github-lexers (==0.0.5)", "pyproject-hooks (!=1.1)", "rst.linker (>=1.9)", "sphinx (>=3.5)", "sphinx-favicon", "sphinx-inline-tabs", "sphinx-lint", "sphinx-notfound-page (>=1,<2)", "sphinx-reredirects", "sphinxcontrib-towncrier"]
+test = ["build[virtualenv] (>=1.0.3)", "filelock (>=3.4.0)", "importlib-metadata", "ini2toml[lite] (>=0.14)", "jaraco.develop (>=7.21)", "jaraco.envs (>=2.2)", "jaraco.path (>=3.2.0)", "jaraco.test", "mypy (==1.10.0)", "packaging (>=23.2)", "pip (>=19.1)", "pyproject-hooks (!=1.1)", "pytest (>=6,!=8.1.*)", "pytest-checkdocs (>=2.4)", "pytest-cov", "pytest-enabler (>=2.2)", "pytest-home (>=0.5)", "pytest-mypy", "pytest-perf", "pytest-ruff (>=0.3.2)", "pytest-subprocess", "pytest-timeout", "pytest-xdist (>=3)", "tomli", "tomli-w (>=1.0.0)", "virtualenv (>=13.0.0)", "wheel"]
 
 [[package]]
 name = "simpleeval"
@@ -1408,32 +1403,31 @@ files = [
 
 [[package]]
 name = "singer-sdk"
-version = "0.40.0"
+version = "0.41.0a2.post5.dev0+7f736188"
 description = "A framework for building Singer taps"
 optional = false
 python-versions = ">=3.8"
-files = [
-    {file = "singer_sdk-0.40.0-py3-none-any.whl", hash = "sha256:eb54a1de031a8888adb5ba2d1236161e95b4f87522444c943229a122f4d6b1ee"},
-    {file = "singer_sdk-0.40.0.tar.gz", hash = "sha256:f9360cbfac187cf4f14338b181313cab5726c8d1314c5719f2e8212c375ca3cf"},
-]
+files = []
+develop = false
 
 [package.dependencies]
 backoff = {version = ">=2.0.0", markers = "python_version < \"4\""}
 backports-datetime-fromisoformat = {version = ">=2.0.1", markers = "python_version < \"3.11\""}
-click = ">=8.0,<9.0"
+click = "~=8.0"
 fs = ">=2.4.16"
 importlib-metadata = {version = "<9.0.0", markers = "python_version < \"3.12\""}
-importlib-resources = {version = ">=5.12.0,<6.2.0 || >6.2.0,<6.3.0 || >6.3.0,<6.3.1 || >6.3.1", markers = "python_version < \"3.10\""}
+importlib-resources = {version = ">=5.12.0,!=6.2.0,!=6.3.0,!=6.3.1", markers = "python_version < \"3.10\""}
 inflection = ">=0.5.1"
 joblib = ">=1.3.0"
 jsonpath-ng = ">=1.5.3"
 jsonschema = ">=4.16.0"
 packaging = ">=23.1"
-pytest = {version = ">=7.2.1", optional = true, markers = "extra == \"docs\" or extra == \"testing\""}
+pytest = {version = ">=7.2.1", optional = true}
 python-dotenv = ">=0.20"
 PyYAML = ">=6.0"
 referencing = ">=0.30.0"
 requests = ">=2.25.1"
+setuptools = "<=70.3.0"
 simpleeval = ">=0.9.13"
 simplejson = ">=3.17.6"
 sqlalchemy = ">=1.4,<3.0"
@@ -1448,6 +1442,12 @@ parquet = ["numpy (>=1.22)", "numpy (>=1.22,<1.25)", "numpy (>=1.22,<2.1)", "pya
 s3 = ["fs-s3fs (>=1.1.1)"]
 testing = ["pytest (>=7.2.1)"]
 
+[package.source]
+type = "git"
+url = "https://github.com/meltano/sdk.git"
+reference = "HEAD"
+resolved_reference = "7f736188b8ee117b03abd5b7af26ef4c8a12efd0"
+
 [[package]]
 name = "six"
 version = "1.16.0"
@@ -1707,4 +1707,4 @@ type = ["pytest-mypy"]
 [metadata]
 lock-version = "2.0"
 python-versions = ">=3.8"
-content-hash = "d771f849b04168ecc6fac786e5d9d4af60dc29dda92e23db2009dcd686661c58"
+content-hash = "ff49bdcd513cba1d8ec0beaa55feead3d5d5904b708b20beff42dabcd5d5d46b"
diff --git a/pyproject.toml b/pyproject.toml
index 5389cbe..1329a67 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -21,7 +21,7 @@ snowflake-connector-python = { version = "<4.0.0", extras = ["secure-local-stora
 sqlalchemy = "~=2.0.31"
 
 [tool.poetry.dependencies.singer-sdk]
-version = "~=0.40.0a1"
+git = "https://github.com/meltano/sdk.git"
 
 [tool.poetry.group.dev.dependencies]
 coverage = ">=7.2.7"
@@ -29,7 +29,7 @@ pytest = ">=7.4.3"
 pytest-xdist = ">=3.3.1"
 
 [tool.poetry.group.dev.dependencies.singer-sdk]
-version="~=0.40.0a1"
+git = "https://github.com/meltano/sdk.git"
 extras = ["testing"]
 
 [tool.ruff]