diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 783519c..38db8f5 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -6,7 +6,7 @@ on:
       node-version:
         description: Node.js version
         required: false
-        default: '["12", "14", "16", "18"]'
+        default: '["14", "16", "18"]'
         type: string
       os:
         description: OS name
@@ -41,9 +41,13 @@ jobs:
           node-version: ${{ matrix.node-version }}
           cache: npm
 
+      # HACK: See https://github.com/npm/cli/issues/4341
+      - name: Workaround for npm installation failure on Node.js 14 and Windows
+        if: ${{ startsWith(matrix.node-version, '14') && startsWith(matrix.os, 'windows') }}
+        run: npm install --global npm@8.3
+
       - name: Install latest npm
-        # TODO: npm@9 is the latest, but it doesn't work on Node.js v12 and v14 with windows.
-        run: npm install --global npm@8
+        run: npm install --global npm@latest && npm --version
 
       - name: Install dependencies
         run: npm ci