diff --git a/.github/workflows/ci-pdm-install-and-test-cpu.yml b/.github/workflows/ci-pdm-install-and-test-cpu.yml
index 8fb4df79..026fe8fc 100644
--- a/.github/workflows/ci-pdm-install-and-test-cpu.yml
+++ b/.github/workflows/ci-pdm-install-and-test-cpu.yml
@@ -39,10 +39,10 @@ jobs:
       - name: Load cache data
         uses: actions/cache/restore@v4
         with:
-          path: tests/datastore_examples/npyfilesmeps/meps_example_reduced.zip
-          key: ${{ runner.os }}-meps-reduced-example-data-v0.2.0
+          path: tests/datastore_examples/npyfilesmeps/meps_example_reduced.tar.gz
+          key: ${{ runner.os }}-meps-reduced-example-data-v0.3.0
           restore-keys: |
-            ${{ runner.os }}-meps-reduced-example-data-v0.2.0
+            ${{ runner.os }}-meps-reduced-example-data-v0.3.0
 
       - name: Run tests
         run: |
@@ -51,5 +51,5 @@ jobs:
       - name: Save cache data
         uses: actions/cache/save@v4
         with:
-          path: tests/datastore_examples/npyfilesmeps/meps_example_reduced.zip
-          key: ${{ runner.os }}-meps-reduced-example-data-v0.2.0
+          path: tests/datastore_examples/npyfilesmeps/meps_example_reduced.tar.gz
+          key: ${{ runner.os }}-meps-reduced-example-data-v0.3.0
diff --git a/.github/workflows/ci-pdm-install-and-test-gpu.yml b/.github/workflows/ci-pdm-install-and-test-gpu.yml
index 43a701c2..c86ba23a 100644
--- a/.github/workflows/ci-pdm-install-and-test-gpu.yml
+++ b/.github/workflows/ci-pdm-install-and-test-gpu.yml
@@ -44,10 +44,10 @@ jobs:
       - name: Load cache data
         uses: actions/cache/restore@v4
         with:
-          path: tests/datastore_examples/npyfilesmeps/meps_example_reduced.zip
-          key: ${{ runner.os }}-meps-reduced-example-data-v0.2.0
+          path: tests/datastore_examples/npyfilesmeps/meps_example_reduced.tar.gz
+          key: ${{ runner.os }}-meps-reduced-example-data-v0.3.0
           restore-keys: |
-            ${{ runner.os }}-meps-reduced-example-data-v0.2.0
+            ${{ runner.os }}-meps-reduced-example-data-v0.3.0
 
       - name: Run tests
         run: |
@@ -56,5 +56,5 @@ jobs:
       - name: Save cache data
         uses: actions/cache/save@v4
         with:
-          path: tests/datastore_examples/npyfilesmeps/meps_example_reduced.zip
-          key: ${{ runner.os }}-meps-reduced-example-data-v0.2.0
+          path: tests/datastore_examples/npyfilesmeps/meps_example_reduced.tar.gz
+          key: ${{ runner.os }}-meps-reduced-example-data-v0.3.0
diff --git a/.github/workflows/ci-pip-install-and-test-cpu.yml b/.github/workflows/ci-pip-install-and-test-cpu.yml
index b131596d..8f11cadb 100644
--- a/.github/workflows/ci-pip-install-and-test-cpu.yml
+++ b/.github/workflows/ci-pip-install-and-test-cpu.yml
@@ -29,10 +29,10 @@ jobs:
       - name: Load cache data
         uses: actions/cache/restore@v4
         with:
-          path: tests/datastore_examples/npyfilesmeps/meps_example_reduced.zip
-          key: ${{ runner.os }}-meps-reduced-example-data-v0.2.0
+          path: tests/datastore_examples/npyfilesmeps/meps_example_reduced.tar.gz
+          key: ${{ runner.os }}-meps-reduced-example-data-v0.3.0
           restore-keys: |
-            ${{ runner.os }}-meps-reduced-example-data-v0.2.0
+            ${{ runner.os }}-meps-reduced-example-data-v0.3.0
 
       - name: Run tests
         run: |
@@ -41,5 +41,5 @@ jobs:
       - name: Save cache data
         uses: actions/cache/save@v4
         with:
-          path: tests/datastore_examples/npyfilesmeps/meps_example_reduced.zip
-          key: ${{ runner.os }}-meps-reduced-example-data-v0.2.0
+          path: tests/datastore_examples/npyfilesmeps/meps_example_reduced.tar.gz
+          key: ${{ runner.os }}-meps-reduced-example-data-v0.3.0
diff --git a/.github/workflows/ci-pip-install-and-test-gpu.yml b/.github/workflows/ci-pip-install-and-test-gpu.yml
index 3afcca5a..dc2424f0 100644
--- a/.github/workflows/ci-pip-install-and-test-gpu.yml
+++ b/.github/workflows/ci-pip-install-and-test-gpu.yml
@@ -34,10 +34,10 @@ jobs:
       - name: Load cache data
         uses: actions/cache/restore@v4
         with:
-          path: tests/datastore_examples/npyfilesmeps/meps_example_reduced.zip
-          key: ${{ runner.os }}-meps-reduced-example-data-v0.2.0
+          path: tests/datastore_examples/npyfilesmeps/meps_example_reduced.tar.gz
+          key: ${{ runner.os }}-meps-reduced-example-data-v0.3.0
           restore-keys: |
-            ${{ runner.os }}-meps-reduced-example-data-v0.2.0
+            ${{ runner.os }}-meps-reduced-example-data-v0.3.0
 
       - name: Run tests
         run: |
@@ -46,5 +46,5 @@ jobs:
       - name: Save cache data
         uses: actions/cache/save@v4
         with:
-          path: tests/datastore_examples/npyfilesmeps/meps_example_reduced.zip
-          key: ${{ runner.os }}-meps-reduced-example-data-v0.2.0
+          path: tests/datastore_examples/npyfilesmeps/meps_example_reduced.tar.gz
+          key: ${{ runner.os }}-meps-reduced-example-data-v0.3.0