diff --git a/templates/ubuntu20/common/base.dockerfile.j2 b/templates/ubuntu20/common/base.dockerfile.j2
index d6308672..d1ca1c4c 100644
--- a/templates/ubuntu20/common/base.dockerfile.j2
+++ b/templates/ubuntu20/common/base.dockerfile.j2
@@ -35,7 +35,7 @@ SHELL ["/bin/bash", "-xo", "pipefail", "-c"]
 RUN apt-get update; \
     apt-get install -y --no-install-recommends \
         git \
-        python3-dev \
+        python3.9-dev \
         python3-pip \
         build-essential \
         cmake \
@@ -192,12 +192,16 @@ ARG INSTALL_PACKAGES="-c=python -c=core"
 {% elif 'dev' == distribution or 'dev_no_samples' == distribution %}
 ARG LGPL_DEPS="g++ \
                gcc \
-               libc6-dev"
+               libc6-dev \
+               python3.9-venv \
+               python3-pip"
 ARG INSTALL_PACKAGES="-c=python -c=core -c=dev"
 {% else %}
 ARG LGPL_DEPS="g++ \
                gcc \
-               libc6-dev"
+               libc6-dev \
+               python3.9-venv \
+               python3-pip"
 ARG INSTALL_PACKAGES="-c=python"
 {% endif %}
 
diff --git a/templates/ubuntu20/python/python38.dockerfile.j2 b/templates/ubuntu20/python/python39.dockerfile.j2
similarity index 71%
rename from templates/ubuntu20/python/python38.dockerfile.j2
rename to templates/ubuntu20/python/python39.dockerfile.j2
index 74c59635..b2473807 100644
--- a/templates/ubuntu20/python/python38.dockerfile.j2
+++ b/templates/ubuntu20/python/python39.dockerfile.j2
@@ -1,4 +1,4 @@
 # setup Python
-ENV PYTHON_VER python3.8
+ENV PYTHON_VER python3.9
 
 RUN ${PYTHON_VER} -m pip install --upgrade pip
\ No newline at end of file
diff --git a/utils/arg_parser.py b/utils/arg_parser.py
index 4566e11a..b752abdb 100644
--- a/utils/arg_parser.py
+++ b/utils/arg_parser.py
@@ -519,7 +519,7 @@ def parse_args(name: str, description: str):  # noqa
             if args.os in "ubuntu22":
                 args.python = "python310"
             else:
-                args.python = "python38"
+                args.python = "python39"
 
         if args.python == "python38" and "win" in args.os:
             if not hasattr(args, "pre_stage_msbuild") or not args.pre_stage_msbuild: