diff --git a/.github/workflows/security-scan.yml b/.github/workflows/security-scan.yml
index 160a0df900..dfb8e37ea2 100644
--- a/.github/workflows/security-scan.yml
+++ b/.github/workflows/security-scan.yml
@@ -22,7 +22,7 @@ jobs:
           cache-dependency-path: backend/go.sum
       - name: Verify Go version
         run: |
-          go version | grep -q 'go1.25.5'
+          go version | grep -q 'go1.25.6'
       - name: Run govulncheck
         working-directory: backend
         run: |
diff --git a/Dockerfile b/Dockerfile
index b332030097..3d4b50948c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -7,7 +7,7 @@
 # =============================================================================
 
 ARG NODE_IMAGE=node:24-alpine
-ARG GOLANG_IMAGE=golang:1.25.5-alpine
+ARG GOLANG_IMAGE=golang:1.25.6-alpine
 ARG ALPINE_IMAGE=alpine:3.20
 ARG GOPROXY=https://goproxy.cn,direct
 ARG GOSUMDB=sum.golang.google.cn
diff --git a/backend/go.mod b/backend/go.mod
index ad7d76b677..4c3e6246a4 100644
--- a/backend/go.mod
+++ b/backend/go.mod
@@ -1,6 +1,6 @@
 module github.com/Wei-Shaw/sub2api
 
-go 1.25.5
+go 1.25.6
 
 require (
 	entgo.io/ent v0.14.5