diff --git a/.github/workflows/master.yml b/.github/workflows/master.yml
index 749fa4a..107635a 100644
--- a/.github/workflows/master.yml
+++ b/.github/workflows/master.yml
@@ -37,10 +37,10 @@ jobs:
             image: scratch
           - os: linux
             arch: arm
-            image: arm32v7/alpine:3.11
+            image: arm32v7/alpine:3.13
           - os: linux
             arch: arm64
-            image: arm64v8/alpine:3.11
+            image: arm64v8/alpine:3.13
 
     steps:
       - uses: actions/checkout@v2
diff --git a/Dockerfile b/Dockerfile
index 7b40bbc..df84fb9 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,7 +2,7 @@ ARG IMAGE=scratch
 ARG OS=linux
 ARG ARCH=amd64
 
-FROM golang:1.16.4-alpine3.12 as builder
+FROM golang:1.16-alpine3.13 as builder
 
 WORKDIR /go/src/github.com/eko/pihole-exporter
 COPY . .