diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 877c5a9b0d9a..00b8dd561b6d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -10,6 +10,15 @@ jobs:
         uses: actions/checkout@v2
       - name: Use Node.js latest
         uses: actions/setup-node@v2-beta
+      - name: Get yarn cache directory path
+        id: yarn-cache-dir-path
+        run: echo "::set-output name=dir::$(yarn config get cacheFolder)"
+      - uses: actions/cache@v2
+        with:
+          path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
+          key: ${{ runner.os }}-yarn-${{ hashFiles('yarn.lock') }}
+          restore-keys: |
+            ${{ runner.os }}-yarn-
       - name: Generate coverage report
         run: |
           make -j test-ci-coverage
@@ -35,6 +44,15 @@ jobs:
         uses: actions/setup-node@v2-beta
         with:
           node-version: ${{ matrix.node-version }}
+      - name: Get yarn cache directory path
+        id: yarn-cache-dir-path
+        run: echo "::set-output name=dir::$(yarn config get cacheFolder)"
+      - uses: actions/cache@v2
+        with:
+          path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
+          key: ${{ runner.os }}-yarn-${{ hashFiles('yarn.lock') }}
+          restore-keys: |
+            ${{ runner.os }}-yarn-
       - name: Test on node.js ${{ matrix.node-version }}
         # Hack: --color has supports-color@5 returned true for GitHub CI
         # Remove once `chalk` is bumped to 4.0.