diff --git a/Dockerfile b/Dockerfile
index 09fc36ad..67ff7e1c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
-ARG BASEIMAGE=alpine:3.15.1
+ARG BASEIMAGE=alpine:3.16.0
 
-FROM golang:1.17.8-alpine3.15 AS builder
+FROM golang:1.17.10-alpine3.16 AS builder
 
 WORKDIR /usr/local/src/dex
 
@@ -22,13 +22,13 @@ COPY . .
 
 RUN make release-binary
 
-FROM alpine:3.15.1 AS stager
+FROM alpine:3.16.0 AS stager
 
 RUN mkdir -p /var/dex
 RUN mkdir -p /etc/dex
 COPY config.docker.yaml /etc/dex/
 
-FROM alpine:3.15.1 AS gomplate
+FROM alpine:3.16.0 AS gomplate
 
 ARG TARGETOS
 ARG TARGETARCH