diff --git a/services/api/Dockerfile b/services/api/Dockerfile
index 65d6fc6..988424f 100644
--- a/services/api/Dockerfile
+++ b/services/api/Dockerfile
@@ -6,6 +6,12 @@ ENV PYTHONDONTWRITEBYTECODE=1 \
 
 WORKDIR /app
 
+# Install the workspace-shared tracebility-tenant package first. uv treats
+# it as a workspace member; pip needs it pre-installed locally so the
+# subsequent ``pip install .`` finds it (not published to PyPI).
+COPY services/_shared/tenant /tmp/tracebility-tenant
+RUN pip install --no-cache-dir /tmp/tracebility-tenant && rm -rf /tmp/tracebility-tenant
+
 COPY services/api/pyproject.toml ./pyproject.toml
 COPY services/api/tracebility_api ./tracebility_api
 
diff --git a/services/ingest-api/Dockerfile b/services/ingest-api/Dockerfile
index 99eb601..e3656fa 100644
--- a/services/ingest-api/Dockerfile
+++ b/services/ingest-api/Dockerfile
@@ -6,6 +6,13 @@ ENV PYTHONDONTWRITEBYTECODE=1 \
 
 WORKDIR /app
 
+# Install the workspace-shared tracebility-tenant package first. uv treats
+# it as a workspace member; pip needs it pre-installed locally so the
+# subsequent ``pip install .`` finds it (the package is not published to
+# PyPI).
+COPY services/_shared/tenant /tmp/tracebility-tenant
+RUN pip install --no-cache-dir /tmp/tracebility-tenant && rm -rf /tmp/tracebility-tenant
+
 COPY services/ingest-api/pyproject.toml ./pyproject.toml
 COPY services/ingest-api/tracebility_ingest ./tracebility_ingest
 
diff --git a/services/ingest-worker/Dockerfile b/services/ingest-worker/Dockerfile
index 716d9f7..d0e0cf0 100644
--- a/services/ingest-worker/Dockerfile
+++ b/services/ingest-worker/Dockerfile
@@ -6,6 +6,12 @@ ENV PYTHONDONTWRITEBYTECODE=1 \
 
 WORKDIR /app
 
+# Install the workspace-shared tracebility-tenant package first. uv treats
+# it as a workspace member; pip needs it pre-installed locally so the
+# subsequent ``pip install .`` finds it (not published to PyPI).
+COPY services/_shared/tenant /tmp/tracebility-tenant
+RUN pip install --no-cache-dir /tmp/tracebility-tenant && rm -rf /tmp/tracebility-tenant
+
 COPY services/ingest-worker/pyproject.toml ./pyproject.toml
 COPY services/ingest-worker/tracebility_worker ./tracebility_worker