diff --git a/Dockerfile b/Dockerfile
index 1c5321d0..047c1bc6 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -5,7 +5,7 @@ RUN apk add --no-cache --update alpine-sdk
 COPY . /go/src/github.com/dexidp/dex
 RUN cd /go/src/github.com/dexidp/dex && make release-binary
 
-FROM alpine:3.4
+FROM alpine:3.8
 # Dex connectors, such as GitHub and Google logins require root certificates.
 # Proper installations should manage those certificates, but it's a bad user
 # experience when this doesn't work out of the box.