diff --git a/Dockerfile.django b/Dockerfile.django
index 46a6f7c9334..4284c8a93ad 100644
--- a/Dockerfile.django
+++ b/Dockerfile.django
@@ -5,7 +5,7 @@
 # Dockerfile.nginx to use the caching mechanism of Docker.
 
 # Ref: https://devguide.python.org/#branchstatus
-FROM python:3.8.12-slim-bullseye@sha256:3d3edc52cfae3ed6fb8303559f10184f962a8069194b2dee93baaac66ebedeb5 as base
+FROM python:3.12.0-slim-bullseye@sha256:8c5ca5725a49e3ab3a1e76bd7e93fff1aeec2fdfd91288627f4510eea5a72e09 as base
 FROM base as build
 WORKDIR /app
 RUN \
diff --git a/Dockerfile.integration-tests b/Dockerfile.integration-tests
index 28ec4c72f66..f1b3b410f80 100644
--- a/Dockerfile.integration-tests
+++ b/Dockerfile.integration-tests
@@ -1,7 +1,7 @@
 
 # code: language=Dockerfile
 
-FROM python:3.8.12-slim-bullseye@sha256:3d3edc52cfae3ed6fb8303559f10184f962a8069194b2dee93baaac66ebedeb5 as build
+FROM python:3.12.0-slim-bullseye@sha256:8c5ca5725a49e3ab3a1e76bd7e93fff1aeec2fdfd91288627f4510eea5a72e09 as build
 WORKDIR /app
 RUN \
   apt-get -y update && \
diff --git a/Dockerfile.nginx b/Dockerfile.nginx
index 83355b8d0a4..ba82b46923d 100644
--- a/Dockerfile.nginx
+++ b/Dockerfile.nginx
@@ -5,7 +5,7 @@
 # Dockerfile.django to use the caching mechanism of Docker.
 
 # Ref: https://devguide.python.org/#branchstatus
-FROM python:3.8.12-slim-bullseye@sha256:3d3edc52cfae3ed6fb8303559f10184f962a8069194b2dee93baaac66ebedeb5 as base
+FROM python:3.12.0-slim-bullseye@sha256:8c5ca5725a49e3ab3a1e76bd7e93fff1aeec2fdfd91288627f4510eea5a72e09 as base
 FROM base as build
 WORKDIR /app
 RUN \