diff --git a/Dockerfile b/Dockerfile
index 6fb9036..faaa470 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -12,6 +12,7 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
     libsm6 \
     libxrender1 \
     libxext6 \
+    nc \
     && apt-get clean \
     && rm -rf /var/lib/apt/lists/*