diff --git a/Containerfile b/Containerfile
index 5c40ab9..5a48428 100644
--- a/Containerfile
+++ b/Containerfile
@@ -47,7 +47,7 @@ LABEL maintainer="Foster Hangdaan <foster@hangdaan.email>"
 
 RUN set -ex && \
   apt-get update && \
-  apt-get --no-install-recommends --yes install ca-certificates && \
+  DEBIAN_FRONTEND=noninteractive apt-get --no-install-recommends --yes install ca-certificates && \
   apt-get clean && \
   rm -rf /var/lib/apt