diff --git a/Dockerfile b/Dockerfile
index 26ee0c01..ca535ea6 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -51,14 +51,19 @@ ENV PATH "/root/.local/bin:$PATH"
 COPY pyproject.toml poetry.lock README.md /package/
 COPY --from=python_test_base /package/src /package/src
 
+ARG CONDUCTOR_PYTHON_VERSION
+ENV CONDUCTOR_PYTHON_VERSION=${CONDUCTOR_PYTHON_VERSION}
+RUN if [ -z "$CONDUCTOR_PYTHON_VERSION" ]; then \
+      echo "CONDUCTOR_PYTHON_VERSION build arg is required." >&2; exit 1; \
+    fi && \
+    poetry version "$CONDUCTOR_PYTHON_VERSION"
+
 RUN poetry config virtualenvs.create false && \
     poetry install --only main --no-root --no-interaction --no-ansi && \
     poetry install --no-root --no-interaction --no-ansi
 
 ENV PYTHONPATH /package/src
 
-ARG CONDUCTOR_PYTHON_VERSION
-ENV CONDUCTOR_PYTHON_VERSION ${CONDUCTOR_PYTHON_VERSION}
 RUN poetry build
 ARG PYPI_USER
 ARG PYPI_PASS
diff --git a/pyproject.toml b/pyproject.toml
index 81a2876e..22180460 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "poetry.core.masonry.api"
 
 [tool.poetry]
 name = "conductor-python"
-version = "1.2.3" # TODO: Make version number derived from GitHub release number
+version = "0.0.0" # Do not change! Placeholder. Real version injected during build (edited) 
 description = "Python SDK for working with https://github.com/conductor-oss/conductor"
 authors = ["Orkes <developers@orkes.io>"]
 license = "Apache-2.0"