diff --git a/image/Dockerfile.debian b/image/Dockerfile.debian
index 5b83c65..439a06b 100644
--- a/image/Dockerfile.debian
+++ b/image/Dockerfile.debian
@@ -23,7 +23,7 @@ WORKDIR /tmp/builder
 RUN set -x && apt-get update && apt-get upgrade -y \
 # BUILD: add build dependencies
 		&& apt-get install -qq --no-install-suggests --no-install-recommends \
-			tini unzip wget \
+			tini unzip wget nano \
 		&& savedAptMark="$(apt-mark showmanual)" \
 		&& apt-get install -qq --no-install-suggests --no-install-recommends \
 			libmagickwand-dev \