diff --git a/Dockerfile b/Dockerfile
index df339e46..cd89ed91 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -62,7 +62,7 @@ WORKDIR $PYSETUP_PATH
 COPY poetry.lock pyproject.toml ./
 
 # install runtime deps - uses $POETRY_VIRTUALENVS_IN_PROJECT internally
-RUN poetry install --without dev
+RUN poetry install --without dev --no-root
 
 
 # `development` image is used during development / testing
@@ -75,7 +75,7 @@ COPY --from=builder-base $POETRY_HOME $POETRY_HOME
 COPY --from=builder-base $PYSETUP_PATH $PYSETUP_PATH
 
 # quicker install as runtime deps are already installed
-RUN poetry install
+RUN poetry install --no-root
 
 # Install requirements for end-to-end testing
 RUN playwright install --with-deps chromium
diff --git a/pyproject.toml b/pyproject.toml
index 4400abf1..13477b0b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -9,7 +9,6 @@ dynamic = ["dependencies", "version"]
 
 [tool.poetry]
 version = "0.0.0"
-package-mode = false
 
 [tool.poetry.dependencies]
 adit-radis-shared = { git = "https://github.com/openradx/adit-radis-shared.git", tag = "0.13.1" }