diff --git a/Dockerfile b/Dockerfile
index 2d67410..264bbab 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -9,7 +9,7 @@ WORKDIR /root
 RUN set -xo pipefail; apk add --no-cache curl gnupg &&\
   curl -LO ${ALPINE_MIRROR}/releases/${ALPINE_ARCH}/alpine-minirootfs-${VERSION}-${ALPINE_ARCH}.tar.gz &&\
   curl -LO ${ALPINE_MIRROR}/releases/${ALPINE_ARCH}/alpine-minirootfs-${VERSION}-${ALPINE_ARCH}.tar.gz.asc &&\
-  gpg --recv 0482D84022F52DF1C4E7CD43293ACD0907D9495A &&\
+  gpg --keyserver pool.sks-keyservers.net --recv 0482D84022F52DF1C4E7CD43293ACD0907D9495A &&\
   gpg --verify alpine-minirootfs-${VERSION}-${ALPINE_ARCH}.tar.gz.asc alpine-minirootfs-${VERSION}-${ALPINE_ARCH}.tar.gz &&\
   mkdir /dest &&\
   tar -C /dest -xvzf alpine-minirootfs-${VERSION}-${ALPINE_ARCH}.tar.gz &&\