diff --git a/docker/Dockerfile b/docker/Dockerfile
index 72fc85093..ecc283f8a 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.19-alpine AS builder
+FROM golang:1.20-alpine AS builder
 
 WORKDIR /go/src/github.com/restic/restic