diff --git a/Dockerfile b/Dockerfile
index e653414a..698022ad 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM --platform=$BUILDPLATFORM golang:1.21-alpine AS builder
+FROM --platform=$BUILDPLATFORM golang:1.26-alpine AS builder
 WORKDIR /app
 
 COPY go.mod go.sum .
diff --git a/go.mod b/go.mod
index 36685f17..46d33f47 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/mailhog/MailHog
 
-go 1.21
+go 1.26.1
 
 require (
 	github.com/gorilla/pat v1.0.1