diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index ad2103b..1776d71 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -208,6 +208,11 @@ jobs:
         with:
           path: ${{ env.CRDS_PATH }}
           key: crds-${{ matrix.package }}-${{ steps.crds-context.outputs.context }}
+      - if: matrix.data != ''
+        uses: actions/cache@v3
+        with:
+          path: 'tests/data/'
+          key: data-${{ hashFiles('tests/data/*') }}
       - run: cd ${{ matrix.package }} && ${{ matrix.pre_command }} pytest -n auto ${{ matrix.pytest_args }} ${{ matrix.test_directory }}
         env:
           CRDS_SERVER_URL: ${{ matrix.env.CRDS_SERVER_URL }}