diff --git a/pyproject.toml b/pyproject.toml
index aa8a2af..6afbf41 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -124,3 +124,6 @@ sqlalchemy = "sa"
 
 [tool.ruff.lint.pydocstyle]
 convention = "google"
+
+[tool.uv.sources]
+singer-sdk = { git = "https://github.com/meltano/sdk.git" }
diff --git a/uv.lock b/uv.lock
index a6fdf10..378d05e 100644
--- a/uv.lock
+++ b/uv.lock
@@ -1,5 +1,5 @@
 version = 1
-revision = 2
+revision = 3
 requires-python = ">=3.9"
 resolution-markers = [
     "python_full_version >= '3.10'",
@@ -602,7 +602,7 @@ requires-dist = [
     { name = "faker", marker = "extra == 'faker'", specifier = "~=37.1" },
     { name = "psycopg", extras = ["binary"], specifier = "==3.2.9" },
     { name = "psycopg2-binary", specifier = "==2.9.10" },
-    { name = "singer-sdk", specifier = "~=0.47.0" },
+    { name = "singer-sdk", git = "https://github.com/meltano/sdk.git" },
     { name = "sqlalchemy", specifier = "~=2.0" },
     { name = "sshtunnel", specifier = "==0.4.0" },
 ]
@@ -1295,10 +1295,10 @@ wheels = [
 
 [[package]]
 name = "singer-sdk"
-version = "0.47.4"
-source = { registry = "https://pypi.org/simple" }
+version = "0.47.5.dev92+gf213dc33"
+source = { git = "https://github.com/meltano/sdk.git#f213dc338ba053d8a6dc1a978732f65c14a2fbf8" }
 dependencies = [
-    { name = "backoff", marker = "python_full_version < '4'" },
+    { name = "backoff" },
     { name = "backports-datetime-fromisoformat", marker = "python_full_version < '3.11'" },
     { name = "click", version = "8.1.8", source = { registry = "https://pypi.org/simple" }, marker = "python_full_version < '3.10'" },
     { name = "click", version = "8.2.1", source = { registry = "https://pypi.org/simple" }, marker = "python_full_version >= '3.10'" },
@@ -1317,13 +1317,9 @@ dependencies = [
     { name = "simpleeval" },
     { name = "simplejson" },
     { name = "sqlalchemy" },
-    { name = "typing-extensions" },
+    { name = "typing-extensions", marker = "python_full_version < '3.13'" },
     { name = "universal-pathlib" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/c8/5b/1b8e37d223e7651c30ecc45d5772950c5babb4f137494a444e314d160e2e/singer_sdk-0.47.4.tar.gz", hash = "sha256:d70642f2f5d55f794fe3b311ccacabb86a41c3a3bb37260b3119d3aadce0459c", size = 2450794, upload-time = "2025-06-25T00:49:58Z" }
-wheels = [
-    { url = "https://files.pythonhosted.org/packages/48/06/00943f3da3998aa929a761286b8b84e7305083cc70d41cf88ecd9bf65186/singer_sdk-0.47.4-py3-none-any.whl", hash = "sha256:9522f92e7c14dc5773bc4d83dee456ad4760869957f718bc053f75c43121107e", size = 192387, upload-time = "2025-06-25T00:49:56.278Z" },
-]
 
 [[package]]
 name = "sqlalchemy"