diff --git a/docker/Dockerfile b/docker/Dockerfile
index 39e3e97..3f2c182 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -3,7 +3,7 @@
 # SPDX-FileCopyrightText: 2020-present Open Networking Foundation <info@opennetworking.org>
 # SPDX-License-Identifier: Apache-2.0
 #
-FROM python:3.6-slim-buster
+FROM python:3.9-slim-buster
 
 RUN useradd -ms /bin/bash ubuntu
 USER ubuntu
diff --git a/requirements.txt b/requirements.txt
index 559baee..8b5440e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,25 +3,7 @@
 # SPDX-FileCopyrightText: 2020-present Open Networking Foundation <info@opennetworking.org>
 # SPDX-License-Identifier: Apache-2.0
 #
-aniso8601==9.0.1
-certifi==2021.10.8
-charset-normalizer==2.0.11
-click==8.0.3
-dataclasses==0.8
-Flask==2.0.2
-Flask-RESTful==0.3.9
-idna==3.3
-importlib-metadata==4.8.3
-itsdangerous==2.0.1
-Jinja2==3.0.3
-MarkupSafe==2.0.1
-prometheus-client==0.13.1
+Flask==2.0.3
+prometheus_client==0.14.1
 pyaml==21.10.1
-pytz==2021.3
-PyYAML==6.0
-requests==2.27.1
-six==1.16.0
-typing-extensions==4.0.1
-urllib3==1.26.8
-Werkzeug==2.0.2
-zipp==3.6.0
+requests==2.22.0
\ No newline at end of file