diff --git a/Dockerfile b/Dockerfile
index a0ba967..7b0cee6 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,7 +3,7 @@ ARG ARCH
 # STEP 1 build executable binary
 FROM amd64/golang:1.16.2-alpine3.13@sha256:4891e17c9d2de88ebd1d9421919539226a76773d6ad1b4ac7376b286039c9be2 AS builder-amd64
 FROM arm32v7/golang:1.16.2-alpine3.13@sha256:b885ff63622e475e28322ed1e75c220c51b27f7aee8dd5aa8b8150dc408e0f87 AS builder-arm
-FROM arm64v8/golang:1.16.2-alpine3.13@sha256:8cab145c26bb1d6e0369c53c0c8def3781c218ab7099a879262fd9b5e4ed9197 AS builder-arm64
+FROM arm64v8/golang:1.16.2-alpine3.13@sha256:48a82d1a8f155a193afec008dcba9c411ad0c58547b25aa57d251ab03c2cdee6 AS builder-arm64
 FROM builder-${ARCH} AS builder
 
 ENV MORTY_VERSION="5489cf4f5876106b53293d4023d49de880421b27"