diff --git a/Dockerfile b/Dockerfile
index 65920f3c4410c8b09cd5006a89aa8ed2fdad0aac..5fb9cd18b306d073a516b6f8af323136f9693675 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -33,6 +33,9 @@ RUN apt-get install -y --no-install-recommends \
       #libpng-dev \
       less
       
+      
+RUN export DEBIAN_FRONTEND=noninteractive
+      
 RUN yes | unminimize && \
     apt-get install -y man-db && \
     rm -r /var/lib/apt/lists/*