diff --git a/deploy/Dockerfile b/deploy/Dockerfile
index 3b616e3a..b3c84b5d 100644
--- a/deploy/Dockerfile
+++ b/deploy/Dockerfile
@@ -1,14 +1,14 @@
 FROM alpine:3.7
 MAINTAINER dengnan@google.com vmarmol@google.com vishnuk@google.com jimmidyson@gmail.com stclair@google.com
 
-ENV GLIBC_VERSION "2.27-r0"
+ENV GLIBC_VERSION "2.28-r0"
 
 RUN apk --no-cache add ca-certificates wget device-mapper findutils && \
     apk --no-cache add zfs --repository http://dl-3.alpinelinux.org/alpine/edge/main/ && \
     apk --no-cache add thin-provisioning-tools --repository http://dl-3.alpinelinux.org/alpine/edge/main/ && \
-    wget -q -O /etc/apk/keys/sgerrand.rsa.pub https://raw.githubusercontent.com/sgerrand/alpine-pkg-glibc/master/sgerrand.rsa.pub && \
+    wget -q -O /etc/apk/keys/sgerrand.rsa.pub https://alpine-pkgs.sgerrand.com/sgerrand.rsa.pub && \
     wget https://github.com/sgerrand/alpine-pkg-glibc/releases/download/${GLIBC_VERSION}/glibc-${GLIBC_VERSION}.apk && \
-    wget https://github.com/andyshinn/alpine-pkg-glibc/releases/download/${GLIBC_VERSION}/glibc-bin-${GLIBC_VERSION}.apk && \
+    wget https://github.com/sgerrand/alpine-pkg-glibc/releases/download/${GLIBC_VERSION}/glibc-bin-${GLIBC_VERSION}.apk && \
     apk add glibc-${GLIBC_VERSION}.apk glibc-bin-${GLIBC_VERSION}.apk && \
     /usr/glibc-compat/sbin/ldconfig /lib /usr/glibc-compat/lib && \
     echo 'hosts: files mdns4_minimal [NOTFOUND=return] dns mdns4' >> /etc/nsswitch.conf && \