diff --git a/deployment/.env b/deployment/.env
index f4bc570..1556847 100644
--- a/deployment/.env
+++ b/deployment/.env
@@ -1,2 +1,3 @@
 PROJECT_NAME=pyinventory
-PYTHON_PACKAGE_NAME=inventory
+PROJECT_PACKAGE_NAME=pyinventory
+PROJECT_VERSION=0.7.0rc1
diff --git a/deployment/Dockerfile b/deployment/Dockerfile
index 840e68c..333fdb8 100644
--- a/deployment/Dockerfile
+++ b/deployment/Dockerfile
@@ -1,5 +1,5 @@
-FROM python:3.9-slim-buster
 # https://hub.docker.com/_/python
+FROM python:3.9-slim-buster
 
 # for pip cache:
 ENV XDG_CACHE_HOME=/var/cache
@@ -7,7 +7,8 @@ ENV XDG_CACHE_HOME=/var/cache
 ENV PYTHONUNBUFFERED=1
 
 # Install deps
-RUN apt-get update \
+RUN set -x \
+    && apt-get update \
     && apt-mark auto $(apt-mark showinstall) \
     && apt-get install -y postgresql-client-11 python3-pip \
     && apt autoremove \
@@ -16,11 +17,21 @@ RUN apt-get update \
     && python3 -m pip install -U pip \
     && pip install -U psycopg2-binary
 
-RUN addgroup --system django \
+# Create user for application server:
+RUN set -x \
+    && addgroup --system django \
     && adduser --system --no-create-home --disabled-password --ingroup django --shell /bin/bash django
 
 WORKDIR /django
 
-RUN pip install "pyinventory>=0.6.0"
+ARG PROJECT_PACKAGE_NAME
+ENV PROJECT_PACKAGE_NAME=${PROJECT_PACKAGE_NAME}
+
+ARG PROJECT_VERSION
+ENV PROJECT_VERSION=${PROJECT_VERSION}
+
+# Install project:
+RUN set -x \
+    && pip install "${PROJECT_PACKAGE_NAME}>=${PROJECT_VERSION}"
 
 
diff --git a/deployment/django/entrypoint.sh b/deployment/django/entrypoint.sh
index 8f50543..13d4c9c 100755
--- a/deployment/django/entrypoint.sh
+++ b/deployment/django/entrypoint.sh
@@ -26,7 +26,7 @@ if [ -d "/dist/" ] ; then
 else
     (
         set -x
-        pip3 install -U "${PYTHON_PACKAGE_NAME}"
+        pip3 install -U "${PROJECT_PACKAGE_NAME}>=${PROJECT_VERSION}"
     )
 fi
 
diff --git a/deployment/docker-compose.yml b/deployment/docker-compose.yml
index be502c4..d86d799 100644
--- a/deployment/docker-compose.yml
+++ b/deployment/docker-compose.yml
@@ -21,6 +21,9 @@ services:
         build:
             context: .
             dockerfile: Dockerfile
+            args:
+                - PROJECT_PACKAGE_NAME=${PROJECT_PACKAGE_NAME}
+                - PROJECT_VERSION=${PROJECT_VERSION}
         restart: unless-stopped
         hostname: django
         ports:
diff --git a/pyproject.toml b/pyproject.toml
index 2366f22..6888d52 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "PyInventory"
-version = "0.7.0"
+version = "0.7.0rc1"
 description = "Web based management to catalog things including state and location etc. using Python/Django."
 authors = ["JensDiemer <git@jensdiemer.de>"]
 packages = [
diff --git a/src/inventory/__init__.py b/src/inventory/__init__.py
index 6ba40bf..7ccbaaa 100644
--- a/src/inventory/__init__.py
+++ b/src/inventory/__init__.py
@@ -4,7 +4,7 @@
     :license: GNU GPL v3 or above, see LICENSE for more details.
 """
 
-__version__ = "0.7.0"
+__version__ = "0.7.0rc1"
 
 # https://docs.djangoproject.com/en/2.0/ref/applications/#configuring-applications-ref
 default_app_config = "inventory.apps.InventoryConfig"
diff --git a/src/inventory_project/tests/test_project_setup.py b/src/inventory_project/tests/test_project_setup.py
index e38376a..a7961a3 100644
--- a/src/inventory_project/tests/test_project_setup.py
+++ b/src/inventory_project/tests/test_project_setup.py
@@ -46,6 +46,11 @@ def test_version(package_root=None, version=None):
         string=f'version = "{version}"'
     )
 
+    assert_file_contains_string(
+        file_path=Path(package_root, 'deployment', '.env'),
+        string=f'PROJECT_VERSION={version}'
+    )
+
 
 def test_poetry_check(package_root=None):
     if package_root is None: