diff --git a/1.1.21.2/Dockerfile b/1.1.21.2/Dockerfile
index 6684829..b21f948 100644
--- a/1.1.21.2/Dockerfile
+++ b/1.1.21.2/Dockerfile
@@ -6,7 +6,7 @@ ENV GEARMAND_SHA1 472d2a0019e69edefcd0c1ff57e9352982e6d3f5
 SHELL ["/bin/ash", "-euxo", "pipefail", "-c"]
 
 RUN addgroup -S gearman && adduser -G gearman -S -D -H -s /bin/false -g "Gearman Server" gearman
-
+# hadolint ignore=DL3018
 RUN apk add --no-cache --virtual .build-deps \
 		wget=1.21.4-r0 \
 		tar=1.35-r2 \
@@ -48,6 +48,8 @@ RUN apk add --no-cache --virtual .build-deps \
 			| xargs -r apk info --installed || true \
 			| sort -u \
 	)" \
+# Package list is programmatically generated.
+# hadolint ignore=DL3018
 	&& apk add --virtual .gearmand-rundeps $runDeps \
 	&& apk del .build-deps \
 	&& /usr/local/sbin/gearmand --version