diff --git a/pyproject.toml b/pyproject.toml
index 9b263d01..fa421db3 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -31,7 +31,7 @@ dependencies = [
     "psycopg2-binary==2.9.10",
     "sqlalchemy==2.0.43",
     "sshtunnel==0.4.0",
-    "singer-sdk[faker]~=0.49.0",
+    "singer-sdk[faker,sql]~=0.49.0",
 ]
 
 [project.urls]
@@ -132,3 +132,6 @@ convention = "google"
 
 [tool.pytest.ini_options]
 addopts = '--durations=10'
+filterwarnings = [
+  "error",
+]
diff --git a/tap_postgres/client.py b/tap_postgres/client.py
index f6a216fc..75651f3d 100644
--- a/tap_postgres/client.py
+++ b/tap_postgres/client.py
@@ -17,10 +17,10 @@
 import sqlalchemy as sa
 import sqlalchemy.types
 from psycopg2 import extras
-from singer_sdk import SQLConnector, SQLStream
-from singer_sdk.connectors.sql import SQLToJSONSchema
 from singer_sdk.helpers._state import increment_state
 from singer_sdk.helpers._typing import TypeConformanceLevel
+from singer_sdk.sql import SQLConnector, SQLStream
+from singer_sdk.sql.connector import SQLToJSONSchema
 from sqlalchemy.dialects import postgresql
 
 if t.TYPE_CHECKING:
diff --git a/tap_postgres/tap.py b/tap_postgres/tap.py
index c89ddd91..60fda64f 100644
--- a/tap_postgres/tap.py
+++ b/tap_postgres/tap.py
@@ -12,9 +12,10 @@
 from typing import TYPE_CHECKING, Any, cast
 
 import paramiko
-from singer_sdk import SQLStream, SQLTap, Stream
+from singer_sdk import Stream
 from singer_sdk import typing as th  # JSON schema typing helpers
 from singer_sdk.singerlib import Catalog, Metadata, Schema
+from singer_sdk.sql import SQLStream, SQLTap
 from sqlalchemy.engine import URL
 from sqlalchemy.engine.url import make_url
 from sshtunnel import SSHTunnelForwarder
@@ -499,7 +500,7 @@ def ssh_tunnel_connect(self, *, ssh_config: dict[str, Any], url: URL) -> URL:
         self.ssh_tunnel: SSHTunnelForwarder = SSHTunnelForwarder(
             ssh_address_or_host=(ssh_config["host"], ssh_config["port"]),
             ssh_username=ssh_config["username"],
-            ssh_private_key=self.guess_key_type(ssh_config["private_key"]),
+            ssh_pkey=self.guess_key_type(ssh_config["private_key"]),
             ssh_private_key_password=ssh_config.get("private_key_password"),
             remote_bind_address=(url.host, url.port),
         )
diff --git a/uv.lock b/uv.lock
index 05ce88d9..c2583893 100644
--- a/uv.lock
+++ b/uv.lock
@@ -501,7 +501,7 @@ source = { editable = "." }
 dependencies = [
     { name = "paramiko" },
     { name = "psycopg2-binary" },
-    { name = "singer-sdk", extra = ["faker"] },
+    { name = "singer-sdk", extra = ["faker", "sql"] },
     { name = "sqlalchemy" },
     { name = "sshtunnel" },
 ]
@@ -540,7 +540,7 @@ typing = [
 requires-dist = [
     { name = "paramiko", specifier = ">=3,<4" },
     { name = "psycopg2-binary", specifier = "==2.9.10" },
-    { name = "singer-sdk", extras = ["faker"], specifier = "~=0.49.0" },
+    { name = "singer-sdk", extras = ["faker", "sql"], specifier = "~=0.49.0" },
     { name = "sqlalchemy", specifier = "==2.0.43" },
     { name = "sshtunnel", specifier = "==0.4.0" },
 ]
@@ -1134,6 +1134,9 @@ wheels = [
 faker = [
     { name = "faker" },
 ]
+sql = [
+    { name = "sqlalchemy" },
+]
 testing = [
     { name = "pytest" },
 ]