diff --git a/3.7-rc/alpine/Dockerfile b/3.7-rc/alpine/Dockerfile
index bf0ff18..b5f5a48 100644
--- a/3.7-rc/alpine/Dockerfile
+++ b/3.7-rc/alpine/Dockerfile
@@ -52,7 +52,7 @@ RUN set -ex; \
 	wget -O rabbitmq-server.tar.xz     "https://github.com/rabbitmq/rabbitmq-server/releases/download/$RABBITMQ_GITHUB_TAG/rabbitmq-server-generic-unix-${RABBITMQ_VERSION}.tar.xz"; \
 	\
 	export GNUPGHOME="$(mktemp -d)"; \
-	gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$RABBITMQ_GPG_KEY"; \
+	gpg --keyserver pgp.mit.edu --recv-keys "$RABBITMQ_GPG_KEY"; \
 	gpg --batch --verify rabbitmq-server.tar.xz.asc rabbitmq-server.tar.xz; \
 	rm -rf "$GNUPGHOME"; \
 	\