diff --git a/.devcontainer/Dockerfile b/.devcontainer/Dockerfile
index f778fba6f..95dad26ab 100644
--- a/.devcontainer/Dockerfile
+++ b/.devcontainer/Dockerfile
@@ -103,7 +103,9 @@ INSTALL_DEV_UTILS
 
 RUN bash <<'INSTALL_NPM_PACKAGES'
 set -euo pipefail
+npm update -g npm@^11.10.0
 npm config set allow-scripts=@kilocode/cli --location=user
+npm config set min-release-age=3 --location=user
 npm install -g @kilocode/cli
 INSTALL_NPM_PACKAGES
 
diff --git a/.github/workflows/markdown-fix.yaml b/.github/workflows/markdown-fix.yaml
index c5931be4c..608f5f1be 100644
--- a/.github/workflows/markdown-fix.yaml
+++ b/.github/workflows/markdown-fix.yaml
@@ -103,10 +103,14 @@ jobs:
       - name: Set up Node.js
         uses: actions/setup-node@820762786026740c76f36085b0efc47a31fe5020 # v7.0.0
         with:
-          node-version: "22"
+          node-version: "26"
+          package-manager-cache: false
 
       - name: Install markdownlint-cli2
-        run: npm install -g markdownlint-cli2
+        run: |
+          npm update -g npm@^11.10.0
+          npm config set min-release-age=3 --location=user
+          npm install -g markdownlint-cli2
 
       - name: Run markdownlint-cli2 fix
         working-directory: ${{ needs.setup.outputs.checkout_path }}
diff --git a/.github/workflows/yaml-fix.yaml b/.github/workflows/yaml-fix.yaml
index 19f5ad0f4..e1eb271eb 100644
--- a/.github/workflows/yaml-fix.yaml
+++ b/.github/workflows/yaml-fix.yaml
@@ -104,10 +104,14 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@820762786026740c76f36085b0efc47a31fe5020 # v7.0.0
         with:
-          node-version: "22"
+          node-version: "26"
+          package-manager-cache: false
 
       - name: Install prettier
-        run: npm install -g prettier
+        run: |
+          npm update -g npm@^11.10.0
+          npm config set min-release-age=3 --location=user
+          npm install -g prettier
 
       - name: Apply YAML formatting
         working-directory: ${{ needs.setup.outputs.checkout_path }}