diff --git a/Dockerfile b/Dockerfile
index fdd41da..24faf8f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.16 as builder
+FROM golang:1.19 as builder
 
 WORKDIR /go/src/app
 COPY go.mod go.sum ./
diff --git a/go.mod b/go.mod
index e7d06ae..802b645 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/numtide/nar-serve
 
-go 1.18
+go 1.19
 
 require (
 	cloud.google.com/go/storage v1.39.0