diff --git a/{{cookiecutter.project_slug}}/.github/workflows/main.yml b/{{cookiecutter.project_slug}}/.github/workflows/main.yml
index bb67d27d..adaa21b1 100644
--- a/{{cookiecutter.project_slug}}/.github/workflows/main.yml
+++ b/{{cookiecutter.project_slug}}/.github/workflows/main.yml
@@ -171,7 +171,7 @@ jobs:
           export LC_ALL=C.UTF-8
           export LANG=C.UTF-8
           pip install --upgrade pip
-          python -m pip install poetry==1.6.1
+          python -m pip install poetry==1.8.3
           poetry install --with dev,test,docs
           curl -fsSL https://deb.nodesource.com/setup_20.x | bash -
           apt-get install -y nodejs
diff --git a/{{cookiecutter.project_slug}}/.gitlab-ci.yml b/{{cookiecutter.project_slug}}/.gitlab-ci.yml
index a292ea7f..55bf5895 100644
--- a/{{cookiecutter.project_slug}}/.gitlab-ci.yml
+++ b/{{cookiecutter.project_slug}}/.gitlab-ci.yml
@@ -109,7 +109,7 @@ python_tests:
     - export LC_ALL=C.UTF-8
     - export LANG=C.UTF-8
     - pip install --upgrade pip
-    - python -m pip install poetry==1.6.1
+    - python -m pip install poetry==1.8.3
     - poetry config virtualenvs.in-project true
     - poetry install --with dev,test,docs
     - curl -fsSL https://deb.nodesource.com/setup_20.x | bash -
diff --git a/{{cookiecutter.project_slug}}/Dockerfile b/{{cookiecutter.project_slug}}/Dockerfile
index 7f7e8fff..272c93e1 100644
--- a/{{cookiecutter.project_slug}}/Dockerfile
+++ b/{{cookiecutter.project_slug}}/Dockerfile
@@ -2,7 +2,7 @@
 # use node:20-bookworm as the base image for building the frontend
 #################################################################################
 
-FROM node:20-bookworm as frontend-builder
+FROM node:20-bookworm AS frontend-builder
 
 # A wildcard is used to ensure both package.json AND package-lock.json are copied
 # where available (npm@5+)
@@ -16,7 +16,7 @@ RUN npm run build:prod
 # use python:3.12-slim-bookworm as the base image for production and development
 #################################################################################
 
-FROM python:3.12-slim-bookworm as production
+FROM python:3.12-slim-bookworm AS production
 
 # Add user that will be used in the container
 RUN groupadd wagtail && \
@@ -68,7 +68,7 @@ USER wagtail
 
 # set up virtual environment & install python dependencies
 ARG DEVELOPMENT
-ARG POETRY_VERSION=1.6.1
+ARG POETRY_VERSION=1.8.3
 ENV VIRTUAL_ENV=/home/wagtail/venv \
     DEVELOPMENT=${DEVELOPMENT}
 RUN python -m venv $VIRTUAL_ENV
@@ -105,7 +105,7 @@ CMD gunicorn {{cookiecutter.project_slug}}.wsgi:application
 # The next steps won't be run in production
 #################################################################################
 
-FROM production as dev
+FROM production AS dev
 
 # Swap user, so the following tasks can be run as root
 USER root