diff --git a/node-16-curl-tidy-yarn-3/Dockerfile b/node-16-curl-tidy-yarn-3/Dockerfile
index 5fb4c6d..ae3cc5c 100644
--- a/node-16-curl-tidy-yarn-3/Dockerfile
+++ b/node-16-curl-tidy-yarn-3/Dockerfile
@@ -2,4 +2,6 @@ FROM node:16-bullseye-slim
 
 RUN yarn set version 3.6.2 && yarn --version
 
+ENV DEBIAN_FRONTEND=noninteractive
+
 RUN apt-get update && apt-get install --yes -qq curl tidy
diff --git a/node-16-curl-tidy/Dockerfile b/node-16-curl-tidy/Dockerfile
index 66f6c90..8212115 100644
--- a/node-16-curl-tidy/Dockerfile
+++ b/node-16-curl-tidy/Dockerfile
@@ -1,3 +1,5 @@
 FROM node:16-bullseye-slim
 
+ENV DEBIAN_FRONTEND=noninteractive
+
 RUN apt-get update && apt-get install --yes -qq curl tidy