diff --git a/.github/workflows/mongodb.yml b/.github/workflows/mongodb.yml
index e47cd3ca..77778397 100644
--- a/.github/workflows/mongodb.yml
+++ b/.github/workflows/mongodb.yml
@@ -70,7 +70,7 @@ jobs:
         pip install "setuptools>=64" --upgrade
 
         # Install package in editable mode.
-        pip install --use-pep517 --prefer-binary --editable=.[mongodb,test-mongodb,develop]
+        pip install --use-pep517 --prefer-binary --upgrade --editable=.[mongodb,test-mongodb,develop]
 
     - name: Downgrade pymongo on MongoDB 2
       if: matrix.mongodb-version == '2'
diff --git a/cratedb_toolkit/api/model.py b/cratedb_toolkit/api/model.py
index 7bb7df04..cce205ac 100644
--- a/cratedb_toolkit/api/model.py
+++ b/cratedb_toolkit/api/model.py
@@ -18,7 +18,7 @@ class ClientBundle:
 
     adapter: DatabaseAdapter
     dbapi: crate.client.connection.Connection
-    sqlalchemy: sa.Engine
+    sqlalchemy: sa.engine.Engine
 
 
 class ClusterBase(abc.ABC):
diff --git a/pyproject.toml b/pyproject.toml
index 6e1a9448..dddbd223 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -163,7 +163,7 @@ optional-dependencies.kinesis = [
   "lorrystream[carabas]>=0.0.6",
 ]
 optional-dependencies.mongodb = [
-  "commons-codec[mongodb,zyp]>=0.0.21",
+  "commons-codec[mongodb,zyp]>=0.0.22",
   "cratedb-toolkit[io]",
   "orjson>=3.3.1,<4",
   "pymongo>=3.10.1,<4.10",
@@ -194,8 +194,8 @@ optional-dependencies.test = [
   "httpx<0.29",
   "ipywidgets<9",
   "notebook<8",
-  "pueblo[dataframe,notebook,testing]",
-  "pytest<9",
+  "pueblo[dataframe,notebook,testing]>=0.0.10",
+  "pytest>=7,<9",
   "pytest-cov<7",
   "pytest-mock<4",
   "responses<0.26",
diff --git a/tests/io/dynamodb/__init__.py b/tests/io/dynamodb/__init__.py
index 933fb4a5..e69de29b 100644
--- a/tests/io/dynamodb/__init__.py
+++ b/tests/io/dynamodb/__init__.py
@@ -1,3 +0,0 @@
-import pytest
-
-pytest.importorskip("boto3", reason="Skipping DynamoDB tests because 'boto3' package is not installed")
diff --git a/tests/io/dynamodb/conftest.py b/tests/io/dynamodb/conftest.py
index ae74fefe..dcbe1a83 100644
--- a/tests/io/dynamodb/conftest.py
+++ b/tests/io/dynamodb/conftest.py
@@ -1,9 +1,13 @@
+# ruff: noqa: E402
 import logging
 import time
 import typing
 
-import botocore
 import pytest
+
+pytest.importorskip("boto3", reason="Skipping DynamoDB tests because 'boto3' package is not installed")
+
+import botocore
 from yarl import URL
 
 from cratedb_toolkit.io.dynamodb.adapter import DynamoDBAdapter