diff --git a/.circleci/config.yml b/.circleci/config.yml
index 08e1667bff..1b9167a8a6 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -81,7 +81,7 @@ jobs:
       - run: sudo apt-get update
       - run: sudo apt-get -y install libgeos-dev # Required for shapely
       - run: sudo apt-get -y install proj-bin libproj-dev
-      - run: pip install --upgrade pip pdm==2.7.4
+      - run: pip install --upgrade pip pdm==2.18.1
       - run: pdm export --dev --without-hashes > requirements.txt
       - run: pip install -r requirements.txt
       - run: mkdir --mode 766 -p /tmp/logs
diff --git a/Dockerfile b/Dockerfile
index 178c3444a5..4514086ec7 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -25,7 +25,7 @@ FROM base as extract-deps
 RUN pip install --no-cache-dir --upgrade pip
 WORKDIR /opt/python
 COPY pyproject.toml pdm.lock README.md /opt/python/
-RUN pip install --no-cache-dir pdm==2.7.4
+RUN pip install --no-cache-dir pdm==2.18.1
 RUN pdm export --prod --without-hashes > requirements.txt
 
 
@@ -34,9 +34,8 @@ FROM base as build
 RUN pip install --no-cache-dir --upgrade pip
 WORKDIR /opt/python
 # Setup backend build-time dependencies
-RUN apt-get update
-RUN apt-get install --no-install-recommends -y build-essential
-RUN apt-get install --no-install-recommends -y \
+RUN apt-get update && apt-get install --no-install-recommends -y \
+        build-essential \
         postgresql-server-dev-15 \
         python3-dev \
         libffi-dev \
@@ -79,7 +78,7 @@ COPY manage.py .
 
 FROM runtime as debug
 RUN pip install --user --no-warn-script-location \
-    --no-cache-dir debugpy==1.6.7
+    --no-cache-dir debugpy==1.8.5
 EXPOSE 5678/tcp
 CMD ["python", "-m", "debugpy", "--wait-for-client", "--listen", "0.0.0.0:5678", \
     "-m", "gunicorn", "-c", "python:backend.gunicorn", "manage:application", \
@@ -98,5 +97,7 @@ RUN python -c "import compileall; compileall.compile_path(maxlevels=10, quiet=1)
 RUN python -m compileall .
 EXPOSE 5000/tcp
 USER appuser:appuser
+# Default gunicorn worker count is 1
+# For prod the WEB_CONCURRENCY env var can be used to set this
 CMD ["gunicorn", "-c", "python:backend.gunicorn", "manage:application", \
-    "--workers", "1", "--log-level", "error"]
+    "--log-level", "error"]
diff --git a/scripts/aws/cloudformation/tasking-manager.template.js b/scripts/aws/cloudformation/tasking-manager.template.js
index f5bc32f280..c0760e765f 100644
--- a/scripts/aws/cloudformation/tasking-manager.template.js
+++ b/scripts/aws/cloudformation/tasking-manager.template.js
@@ -437,7 +437,7 @@ const Resources = {
           'git clone --recursive https://github.com/hotosm/tasking-manager.git /opt/tasking-manager',
           'cd /opt/tasking-manager/',
           cf.sub('git reset --hard ${GitSha}'),
-          'pip install --upgrade pip pdm==2.7.4',
+          'pip install --upgrade pip pdm==2.18.1',
           'pdm export --prod > requirements.txt',
           'wget -6 https://s3.dualstack.us-east-1.amazonaws.com/cloudformation-examples/aws-cfn-bootstrap-py3-latest.tar.gz -O /tmp/aws-cfn-bootstrap-py3-latest.tar.gz',
           'pip install /tmp/aws-cfn-bootstrap-py3-latest.tar.gz',