diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 065f5bf5f..a1286ab4c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -205,7 +205,7 @@ jobs:
 
       - name: Install other dependent tools
         run: |
-          python -m pip install poetry six
+          python -m pip install poetry
           if [ ! -f "$HOME/.cargo/bin/just" ]; then curl --proto '=https' --tlsv1.2 -sSf https://just.systems/install.sh | bash -s -- --to ~/.cargo/bin; fi
 
       - name: Seed the database
diff --git a/connectorx-python/poetry.lock b/connectorx-python/poetry.lock
index 9e922f2fd..4e702f9be 100644
--- a/connectorx-python/poetry.lock
+++ b/connectorx-python/poetry.lock
@@ -1,4 +1,4 @@
-# This file is automatically @generated by Poetry 1.7.1 and should not be changed by hand.
+# This file is automatically @generated by Poetry 1.8.2 and should not be changed by hand.
 
 [[package]]
 name = "appnope"
@@ -1860,4 +1860,4 @@ pyarrow = ["pyarrow"]
 [metadata]
 lock-version = "2.0"
 python-versions = ">=3.9,<3.13"
-content-hash = "aad74b2c73119925a852930799dce5ec603ff445b43efe33be70852596322e4c"
+content-hash = "857af1849cdee9ea71ad848970ed265ffe98ee3978e9ed37c8fc8011573d022e"
diff --git a/connectorx-python/pyproject.toml b/connectorx-python/pyproject.toml
index 2a583b63a..c5b4ab961 100644
--- a/connectorx-python/pyproject.toml
+++ b/connectorx-python/pyproject.toml
@@ -34,6 +34,7 @@ pandas = {version = "^2", optional = true}
 polars = {version = ">=0.8", optional = true}
 pyarrow = {version = ">=4", optional = true}
 python = ">=3.9,<3.13"
+six = "^1.16.0"
 
 [tool.poetry.extras]
 all = ["dask", "pandas", "modin", "polars", "pyarrow"]
diff --git a/connectorx-python/src/pandas/transports/bigquery.rs b/connectorx-python/src/pandas/transports/bigquery.rs
index 2648662d7..fef0b0589 100644
--- a/connectorx-python/src/pandas/transports/bigquery.rs
+++ b/connectorx-python/src/pandas/transports/bigquery.rs
@@ -8,6 +8,7 @@ use connectorx::{
     typesystem::TypeConversion,
 };
 
+#[allow(dead_code)]
 pub struct BigQueryPandasTransport<'py>(&'py ());
 
 impl_transport!(
diff --git a/connectorx-python/src/pandas/transports/mssql.rs b/connectorx-python/src/pandas/transports/mssql.rs
index d8a174581..97516f654 100644
--- a/connectorx-python/src/pandas/transports/mssql.rs
+++ b/connectorx-python/src/pandas/transports/mssql.rs
@@ -9,6 +9,7 @@ use connectorx::{
 use rust_decimal::prelude::*;
 use uuid::Uuid;
 
+#[allow(dead_code)]
 pub struct MsSQLPandasTransport<'py>(&'py ());
 
 impl_transport!(
diff --git a/connectorx-python/src/pandas/transports/mysql.rs b/connectorx-python/src/pandas/transports/mysql.rs
index 9cd7213c7..3f853b6c1 100644
--- a/connectorx-python/src/pandas/transports/mysql.rs
+++ b/connectorx-python/src/pandas/transports/mysql.rs
@@ -11,6 +11,7 @@ use rust_decimal::prelude::*;
 use serde_json::{to_string, Value};
 use std::marker::PhantomData;
 
+#[allow(dead_code)]
 pub struct MysqlPandasTransport<'py, P>(&'py (), PhantomData<P>);
 
 impl_transport!(
diff --git a/connectorx-python/src/pandas/transports/oracle.rs b/connectorx-python/src/pandas/transports/oracle.rs
index 5ff54fa5c..03d6259ca 100644
--- a/connectorx-python/src/pandas/transports/oracle.rs
+++ b/connectorx-python/src/pandas/transports/oracle.rs
@@ -8,6 +8,7 @@ use connectorx::{
     typesystem::TypeConversion,
 };
 
+#[allow(dead_code)]
 pub struct OraclePandasTransport<'py>(&'py ());
 
 impl_transport!(
diff --git a/connectorx-python/src/pandas/transports/postgres.rs b/connectorx-python/src/pandas/transports/postgres.rs
index f4c6c217f..e79747740 100644
--- a/connectorx-python/src/pandas/transports/postgres.rs
+++ b/connectorx-python/src/pandas/transports/postgres.rs
@@ -17,6 +17,7 @@ use std::collections::HashMap;
 use std::marker::PhantomData;
 use uuid::Uuid;
 
+#[allow(dead_code)]
 pub struct PostgresPandasTransport<'py, P, C>(&'py (), PhantomData<P>, PhantomData<C>);
 
 macro_rules! impl_postgres_transport {
diff --git a/connectorx-python/src/pandas/transports/sqlite.rs b/connectorx-python/src/pandas/transports/sqlite.rs
index 122ba2977..6871e5972 100644
--- a/connectorx-python/src/pandas/transports/sqlite.rs
+++ b/connectorx-python/src/pandas/transports/sqlite.rs
@@ -8,6 +8,7 @@ use connectorx::{
     typesystem::TypeConversion,
 };
 
+#[allow(dead_code)]
 pub struct SqlitePandasTransport<'py>(&'py ());
 
 impl_transport!(
diff --git a/connectorx-python/src/pandas/transports/trino.rs b/connectorx-python/src/pandas/transports/trino.rs
index fba7a06d5..734200a6a 100644
--- a/connectorx-python/src/pandas/transports/trino.rs
+++ b/connectorx-python/src/pandas/transports/trino.rs
@@ -8,6 +8,7 @@ use connectorx::{
     typesystem::TypeConversion,
 };
 
+#[allow(dead_code)]
 pub struct TrinoPandasTransport<'py>(&'py ());
 
 impl_transport!(