diff --git a/.github/workflows/actions.yml b/.github/workflows/actions.yml
index c47ca38b..99d27584 100644
--- a/.github/workflows/actions.yml
+++ b/.github/workflows/actions.yml
@@ -26,9 +26,9 @@ jobs:
         run: cd hack/tools && make golangci-lint
 
       - name: Install npm
-        uses: actions/setup-node@v2
+        uses: actions/setup-node@v4
         with:
-          node-version: '14'
+          node-version: '20'
 
       - name: Install markdown-lint tool
         run: npm install -g markdownlint-cli
diff --git a/.github/workflows/push.yml b/.github/workflows/push.yml
index 2c88a6ba..f32dc884 100644
--- a/.github/workflows/push.yml
+++ b/.github/workflows/push.yml
@@ -21,9 +21,9 @@ jobs:
         run: cd hack/tools && make golangci-lint
 
       - name: Install npm
-        uses: actions/setup-node@v2
+        uses: actions/setup-node@v4
         with:
-          node-version: '14'
+          node-version: '20'
 
       - name: Install markdown-lint tool
         run: npm install -g markdownlint-cli
diff --git a/Dockerfile-for-github-ci b/Dockerfile-for-github-ci
index 79a143af..4df4739b 100644
--- a/Dockerfile-for-github-ci
+++ b/Dockerfile-for-github-ci
@@ -11,7 +11,7 @@ WORKDIR /workspace
 COPY go.mod go.mod
 COPY go.sum go.sum
 
-ENV GOPROXY=direct
+ENV GOPROXY=https://proxy.golang.org,direct
 RUN go mod download
 
 # Copy the go source
diff --git a/Makefile b/Makefile
index 7d57221a..23169d46 100644
--- a/Makefile
+++ b/Makefile
@@ -189,7 +189,7 @@ lint-markdown: ## Lint the project's markdown
 ifdef GITHUB_ACTIONS
 	markdownlint -c md-config.json .
 else
-	docker run -i --rm -v "$$(pwd)":/work $(CACHE_IMAGE_REGISTRY)/tmknom/markdownlint -c /work/md-config.json .
+	docker run -i --rm -v "$$(pwd)":/work ghcr.io/tmknom/dockerfiles/markdownlint -c /work/md-config.json .
 endif
 
 .PHONY: lint-shell