diff --git a/packages/agent-os/Dockerfile.sidecar b/packages/agent-os/Dockerfile.sidecar
index bd6b97cd2..2a3105de1 100644
--- a/packages/agent-os/Dockerfile.sidecar
+++ b/packages/agent-os/Dockerfile.sidecar
@@ -6,7 +6,7 @@
 # Build:  docker build -t agentmesh/governance-sidecar:0.3.0 -f Dockerfile.sidecar .
 # Run:    docker run -p 8081:8081 agentmesh/governance-sidecar:0.3.0
 
-FROM python:3.14-slim
+FROM python:3.11-slim
 
 LABEL maintainer="Microsoft Corporation"
 LABEL description="Agent Governance Toolkit — governance sidecar for autonomous AI agents"
@@ -14,11 +14,11 @@ LABEL description="Agent Governance Toolkit — governance sidecar for autonomou
 WORKDIR /app
 
 # Copy all source (modules/ is needed for full [full] install)
-COPY pyproject.toml ./
+COPY pyproject.toml README.md ./
 COPY src/ ./src/
 COPY modules/ ./modules/
 
-RUN pip install --no-cache-dir -e ".[full]" && \
+RUN pip install --no-cache-dir -e ".[cmvk,iatp,amb,observability]" pyyaml && \
     rm -rf /root/.cache
 
 # Create non-root user