diff --git a/backend/Dockerfile b/backend/Dockerfile
index 1b903e0df..19f016367 100644
--- a/backend/Dockerfile
+++ b/backend/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.26.3-alpine AS builder
+FROM golang:1.26.4-alpine AS builder
 WORKDIR /go/server/
 ENV CGO_ENABLED=0
 COPY ./go.mod .
diff --git a/backend/go.mod b/backend/go.mod
index 0283acdb6..7d3e894e4 100644
--- a/backend/go.mod
+++ b/backend/go.mod
@@ -1,6 +1,6 @@
 module github.com/eclipse-disuko/disuko
 
-go 1.26.3
+go 1.26.4
 
 require (
 	github.com/adhocore/gronx v1.20.0