diff --git a/Dockerfile.django-alpine b/Dockerfile.django-alpine
index 97bb4411796..e9bea92e02f 100644
--- a/Dockerfile.django-alpine
+++ b/Dockerfile.django-alpine
@@ -5,7 +5,7 @@
 # Dockerfile.nginx to use the caching mechanism of Docker.
 
 # Ref: https://devguide.python.org/#branchstatus
-FROM python:3.11.9-alpine3.20@sha256:df44c0c0761ddbd6388f4549cab42d24d64d257c2a960ad5b276bb7dab9639c7 AS base
+FROM python:3.12.4-alpine3.20@sha256:882ef0a4b7dcf365686ed535e120e35c465e5fed64bd378498b4a27a134ce124 AS base
 FROM base AS build
 WORKDIR /app
 RUN \
diff --git a/Dockerfile.django-debian b/Dockerfile.django-debian
index 26c27cad391..7596300798e 100644
--- a/Dockerfile.django-debian
+++ b/Dockerfile.django-debian
@@ -5,7 +5,7 @@
 # Dockerfile.nginx to use the caching mechanism of Docker.
 
 # Ref: https://devguide.python.org/#branchstatus
-FROM python:3.11.9-slim-bookworm@sha256:8c1036ec919826052306dfb5286e4753ffd9d5f6c24fbc352a5399c3b405b57e AS base
+FROM python:3.12.4-slim-bookworm@sha256:9638987a16d55a28096d4d222ea267710d830b207ed1a9f0b48ad2dbf67475aa AS base
 FROM base AS build
 WORKDIR /app
 RUN \
diff --git a/Dockerfile.integration-tests-debian b/Dockerfile.integration-tests-debian
index 3a01815f820..52eba35db8e 100644
--- a/Dockerfile.integration-tests-debian
+++ b/Dockerfile.integration-tests-debian
@@ -2,7 +2,7 @@
 # code: language=Dockerfile
 
 FROM openapitools/openapi-generator-cli:v7.8.0@sha256:c409bfa9b276faf27726d2884b859d18269bf980cb63546e80b72f3b2648c492 AS openapitools
-FROM python:3.11.9-slim-bookworm@sha256:8c1036ec919826052306dfb5286e4753ffd9d5f6c24fbc352a5399c3b405b57e AS build
+FROM python:3.12.4-slim-bookworm@sha256:9638987a16d55a28096d4d222ea267710d830b207ed1a9f0b48ad2dbf67475aa AS build
 WORKDIR /app
 RUN \
   apt-get -y update && \
diff --git a/Dockerfile.nginx-alpine b/Dockerfile.nginx-alpine
index 0528e63047b..b3b28b28757 100644
--- a/Dockerfile.nginx-alpine
+++ b/Dockerfile.nginx-alpine
@@ -5,7 +5,7 @@
 # Dockerfile.django-alpine to use the caching mechanism of Docker.
 
 # Ref: https://devguide.python.org/#branchstatus
-FROM python:3.11.9-alpine3.20@sha256:df44c0c0761ddbd6388f4549cab42d24d64d257c2a960ad5b276bb7dab9639c7 AS base
+FROM python:3.12.4-alpine3.20@sha256:882ef0a4b7dcf365686ed535e120e35c465e5fed64bd378498b4a27a134ce124 AS base
 FROM base AS build
 WORKDIR /app
 RUN \
diff --git a/Dockerfile.nginx-debian b/Dockerfile.nginx-debian
index b07ce5407de..d88253a504b 100644
--- a/Dockerfile.nginx-debian
+++ b/Dockerfile.nginx-debian
@@ -5,7 +5,7 @@
 # Dockerfile.django-debian to use the caching mechanism of Docker.
 
 # Ref: https://devguide.python.org/#branchstatus
-FROM python:3.11.9-slim-bookworm@sha256:8c1036ec919826052306dfb5286e4753ffd9d5f6c24fbc352a5399c3b405b57e AS base
+FROM python:3.12.4-slim-bookworm@sha256:9638987a16d55a28096d4d222ea267710d830b207ed1a9f0b48ad2dbf67475aa AS base
 FROM base AS build
 WORKDIR /app
 RUN \
diff --git a/dojo/settings/.settings.dist.py.sha256sum b/dojo/settings/.settings.dist.py.sha256sum
index 906b95fcc21..917080ab937 100644
--- a/dojo/settings/.settings.dist.py.sha256sum
+++ b/dojo/settings/.settings.dist.py.sha256sum
@@ -1 +1 @@
-38096a82c7cdeec6ca9c663c1ec3d6a5692a0e7bbfdea8fd2f05c58f753430d4
+5380e59f50d2072e6896703f6f390e5432f3557c89f432c8cbfb63de581a8cf2
diff --git a/dojo/settings/settings.dist.py b/dojo/settings/settings.dist.py
index 74202165b2e..bf02352eb29 100644
--- a/dojo/settings/settings.dist.py
+++ b/dojo/settings/settings.dist.py
@@ -1754,6 +1754,9 @@ def saml2_attrib_map_format(dict):
 warnings.filterwarnings("ignore", message="polymorphic.base.ManagerInheritanceWarning.*")
 warnings.filterwarnings("ignore", message="PolymorphicModelBase._default_manager.*")
 
+# TODO: - remove these lines, they are here only for testing that following error is the only stopper for upgrade to py3.12
+warnings.filterwarnings("ignore", module="polymorphic")  # monitor https://github.com/DefectDojo/django-DefectDojo/pull/10334, specially https://github.com/pypi/support/issues/4164
+warnings.filterwarnings("ignore", module="github")  # monitor https://github.com/DefectDojo/django-DefectDojo/pull/9948 but it might pop-up somewhere else again. pygithub is just first known location.
 
 # The setting is here to avoid RemovedInDjango60Warning. It is here only for transition period.
 # TODO: - Remove this setting in Django 6.0