diff --git a/.custom-gcl.yml b/.custom-gcl.yml
index fa08f02..c59ac4a 100644
--- a/.custom-gcl.yml
+++ b/.custom-gcl.yml
@@ -1,4 +1,4 @@
-version: v2.1.5
+version: v2.8.0
 plugins:
   - module: 'github.com/qor5/linter'
     import: 'github.com/qor5/linter/useany'
diff --git a/.docker/Dockerfile b/.docker/Dockerfile
index a43b13e..2497495 100644
--- a/.docker/Dockerfile
+++ b/.docker/Dockerfile
@@ -5,7 +5,7 @@ FROM golang:1.25.5-alpine AS builder
 RUN apk add --no-cache git make curl bash
 
 # Install golangci-lint
-ARG GOLANGCI_LINT_VERSION=v2.1.5
+ARG GOLANGCI_LINT_VERSION=v2.8.0
 RUN curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b /usr/local/bin ${GOLANGCI_LINT_VERSION}
 
 # Create work directory
diff --git a/.github/workflows/go.yml b/.github/workflows/go.yml
index 12bbf98..2f71cc6 100644
--- a/.github/workflows/go.yml
+++ b/.github/workflows/go.yml
@@ -39,3 +39,9 @@ jobs:
 
       - name: Test
         run: go test -p=1 -count=1 -failfast -coverprofile=coverage.txt -coverpkg=github.com/qor5/... ./...
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Build Docker image (test only)
+        run: docker build -f .docker/Dockerfile -t linter:test .