diff --git a/Dockerfile.mcpbox b/Dockerfile.mcpbox
index d1b0f18..7ed1fe0 100644
--- a/Dockerfile.mcpbox
+++ b/Dockerfile.mcpbox
@@ -22,6 +22,8 @@ RUN CGO_ENABLED=0 GOOS=linux go build -o mcpbox ./cmd/mcpbox
 # Final stage
 FROM ubuntu:22.04
 
+ENV DEBIAN_FRONTEND=noninteractive
+
 # Install runtime dependencies
 RUN apt-get update && apt-get install -y ca-certificates tzdata docker.io bash