diff --git a/Dockerfile b/Dockerfile
index 9acb1e8..5793997 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.26.5-alpine AS build
+FROM golang:1.27.0-alpine AS build
 
 WORKDIR /src
 COPY go.mod go.sum ./
diff --git a/go.mod b/go.mod
index 580d719..307e392 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module code.fritzlab.net/fritzlab/flock
 
-go 1.26.1
+go 1.27
 
 require (
 	github.com/containernetworking/cni v1.3.0