diff --git a/Dockerfile b/Dockerfile
index 6ec5e45..ca056f9 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.18.2-alpine AS builder
+FROM golang:1.18.3-alpine AS builder
 WORKDIR /go/src/github.com/tus/tusd
 
 # Add gcc and libc-dev early so it is cached