diff --git a/Dockerfile b/Dockerfile
index dd886b35..3462ae52 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
 ARG BASE_IMAGE=alpine
 
-FROM golang:1.19.1-alpine3.15 AS builder
+FROM golang:1.19.1-alpine3.16 AS builder
 
 WORKDIR /usr/local/src/dex