diff --git a/getting-started/spark/notebooks/Dockerfile b/getting-started/spark/notebooks/Dockerfile
index 4bd3f3122d..1e0434896f 100644
--- a/getting-started/spark/notebooks/Dockerfile
+++ b/getting-started/spark/notebooks/Dockerfile
@@ -20,10 +20,9 @@
 FROM jupyter/all-spark-notebook:spark-3.5.0
 
 COPY --chown=jovyan regtests/client /home/jovyan/client
-WORKDIR /home/jovyan/
 RUN pip install poetry==1.5.0 && \
     cd client/python && \
     python3 -m poetry install && \
     pip install -e .
 
-WORKDIR /home/jovyan/
\ No newline at end of file
+WORKDIR /home/jovyan/
diff --git a/polaris b/polaris
index 9af0dfb5d0..22b8d4760c 100755
--- a/polaris
+++ b/polaris
@@ -23,7 +23,7 @@ if [ ! -d ${SCRIPT_DIR}/polaris-venv ]; then
   echo "Performing first-time setup for the Python client..."
   python3 -m venv ${SCRIPT_DIR}/polaris-venv
   . ${SCRIPT_DIR}/polaris-venv/bin/activate
-  pip install poetry==1.5.0
+  pip install -r regtests/requirements.txt
 
   cp ${SCRIPT_DIR}/regtests/client/python/pyproject.toml ${SCRIPT_DIR}
   pushd $SCRIPT_DIR && poetry install ; popd
diff --git a/regtests/Dockerfile b/regtests/Dockerfile
index 18f4d9bff7..497b66c013 100644
--- a/regtests/Dockerfile
+++ b/regtests/Dockerfile
@@ -40,10 +40,11 @@ COPY ./setup.sh /home/spark/regtests/setup.sh
 COPY ./pyspark-setup.sh /home/spark/regtests/pyspark-setup.sh
 COPY ./client/python /home/spark/regtests/client/python
 COPY ./polaris-reg-test /home/spark/polaris
+COPY ./requirements.txt /tmp/
 
 RUN python3 -m venv /home/spark/polaris-venv && \
     . /home/spark/polaris-venv/bin/activate && \
-    pip install poetry==1.5.0 && \
+    pip install -r /tmp/requirements.txt && \
     deactivate \
 RUN ./setup.sh
 
diff --git a/regtests/client/python/pyproject.toml b/regtests/client/python/pyproject.toml
index 2379b209f5..4bb0811420 100644
--- a/regtests/client/python/pyproject.toml
+++ b/regtests/client/python/pyproject.toml
@@ -27,6 +27,7 @@ readme = "README.md"
 repository = "https://github.com/GIT_USER_ID/GIT_REPO_ID"
 keywords = ["OpenAPI", "OpenAPI-Generator", "Polaris Management Service"]
 include = ["polaris.management/py.typed"]
+package-mode = true
 
 [tool.poetry.dependencies]
 python = "^3.8"
diff --git a/regtests/polaris-reg-test b/regtests/polaris-reg-test
index 659cd828d7..e8d66822ee 100755
--- a/regtests/polaris-reg-test
+++ b/regtests/polaris-reg-test
@@ -37,7 +37,7 @@ if [ ! -d ${SCRIPT_DIR}/polaris-venv ]; then
   echo "Performing first-time setup for the Python client..."
   python3 -m venv ${SCRIPT_DIR}/polaris-venv
   . ${SCRIPT_DIR}/polaris-venv/bin/activate
-  pip install poetry==1.5.0
+  pip install -f requirements.txt
 
   cp ${SCRIPT_DIR}/regtests/client/python/pyproject.toml ${SCRIPT_DIR}
 
@@ -61,4 +61,4 @@ if [ $status -ne 0 ]; then
   exit 1
 fi
 
-exit 0
\ No newline at end of file
+exit 0
diff --git a/regtests/pyspark-setup.sh b/regtests/pyspark-setup.sh
index f94398e956..7f7189a6dd 100755
--- a/regtests/pyspark-setup.sh
+++ b/regtests/pyspark-setup.sh
@@ -24,8 +24,8 @@ fi
 
 . ~/polaris-venv/bin/activate
 
-pip install poetry==1.5.0
+pip install -r requirements.txt
 
 cd client/python
 python3 -m poetry install
-deactivate
\ No newline at end of file
+deactivate
diff --git a/regtests/requirements.txt b/regtests/requirements.txt
new file mode 100644
index 0000000000..1beb63bca0
--- /dev/null
+++ b/regtests/requirements.txt
@@ -0,0 +1,20 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+#
+
+poetry==1.8.5