diff --git a/mcp_server/docker/Dockerfile b/mcp_server/docker/Dockerfile
index a5edd38f..cda1640c 100644
--- a/mcp_server/docker/Dockerfile
+++ b/mcp_server/docker/Dockerfile
@@ -48,9 +48,9 @@ RUN sed -i '/\[tool\.uv\.sources\]/,/graphiti-core/d' pyproject.toml && \
     rm -f uv.lock && \
     uv lock
 
-# Install Python dependencies
+# Install Python dependencies (exclude dev dependency group)
 RUN --mount=type=cache,target=/root/.cache/uv \
-    uv sync --no-dev
+    uv sync --no-dev --no-group dev
 
 # Store graphiti-core version
 RUN echo "${GRAPHITI_CORE_VERSION}" > /app/mcp/.graphiti-core-version
diff --git a/mcp_server/docker/Dockerfile.standalone b/mcp_server/docker/Dockerfile.standalone
index 4096d17a..35772bb1 100644
--- a/mcp_server/docker/Dockerfile.standalone
+++ b/mcp_server/docker/Dockerfile.standalone
@@ -42,9 +42,9 @@ RUN sed -i '/\[tool\.uv\.sources\]/,/graphiti-core/d' pyproject.toml && \
     rm -f uv.lock && \
     uv lock
 
-# Install Python dependencies
+# Install Python dependencies (exclude dev dependency group)
 RUN --mount=type=cache,target=/root/.cache/uv \
-    uv sync --no-dev
+    uv sync --no-dev --no-group dev
 
 # Store graphiti-core version
 RUN echo "${GRAPHITI_CORE_VERSION}" > /app/mcp/.graphiti-core-version