diff --git a/Dockerfile b/Dockerfile
index 74bc8de..3ec7215 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 # One image, three binaries. The compose file picks which to run.
-FROM golang:1.26-alpine AS build
+FROM golang:1.27-alpine AS build
 
 WORKDIR /src
 COPY go.mod go.sum ./