diff --git a/Dockerfile b/Dockerfile
index 60dd657..0c95ab5 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,8 @@
 FROM ubuntu:20.04
 
-RUN apt-get update && apt-get install -y \
+RUN export DEBIAN_FRONTEND=noninteractive && \
+    apt-get update && \
+    apt-get install -y \
     autoconf \
     bison \
     flex \