diff --git a/docker/Dockerfile.ci b/docker/Dockerfile.ci
index a98af29c4..c1e9cdbe2 100644
--- a/docker/Dockerfile.ci
+++ b/docker/Dockerfile.ci
@@ -36,7 +36,8 @@ RUN apt-get update && \
 # for CI
 COPY pyproject.toml setup.py ./
 COPY requirements/ requirements/
-ENV SETUPTOOLS_SCM_PRETEND_VERSION=0.0.0
+# Scope the override to Omni; dependency source builds need their own versions.
+ENV VLLM_OMNI_VERSION_OVERRIDE=0.0.0
 # Editable install: deps + project metadata are cached in this layer, while
 # the package itself is linked to APP_DIR (populated later by COPY --link).
 # Do NOT use a non-editable install here — that copies an empty stub into
diff --git a/docker/Dockerfile.ci.dockerignore b/docker/Dockerfile.ci.dockerignore
index ab137c2b5..4564eb75e 100644
--- a/docker/Dockerfile.ci.dockerignore
+++ b/docker/Dockerfile.ci.dockerignore
@@ -1,6 +1,6 @@
 # NOTE: this is largely taken from vLLM
 
-# Exclude .git for CI builds — version is set via SETUPTOOLS_SCM_PRETEND_VERSION
+# Exclude .git for CI builds — version is set via VLLM_OMNI_VERSION_OVERRIDE
 .git
 .venv
 /build
diff --git a/docker/Dockerfile.rocm b/docker/Dockerfile.rocm
index 78ddac818..04dff295a 100644
--- a/docker/Dockerfile.rocm
+++ b/docker/Dockerfile.rocm
@@ -76,7 +76,8 @@ WORKDIR ${COMMON_WORKDIR}/vllm-omni
 RUN mkdir -p vllm_omni && touch vllm_omni/__init__.py
 COPY pyproject.toml setup.py ./
 COPY requirements/ requirements/
-ENV SETUPTOOLS_SCM_PRETEND_VERSION=0.0.0
+# Scope the override to Omni; dependency source builds need their own versions.
+ENV VLLM_OMNI_VERSION_OVERRIDE=0.0.0
 
 RUN uv pip install --python "$(python3 -c 'import sys; print(sys.executable)')" \
         --no-cache-dir -e ".[dev]" --no-build-isolation && \