diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 937e38f..84d1336 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -45,4 +45,10 @@ jobs:
       - uses: actions/checkout@v4
       - run: yarn install --frozen-lockfile
       - run: yarn build
+      - name: Load RDF test suite cache
+        uses: actions/cache@v4
+        with:
+          path: |
+            .rdf-test-suite-cache
+          key: rdftestsuite-${{ hashFiles('yarn.lock') }}
       - run: yarn ${{ matrix.spec }}