diff --git a/.github/workflows/unittests-rust.yml b/.github/workflows/unittests-rust.yml
index 0f07005dc..cd84830fc 100644
--- a/.github/workflows/unittests-rust.yml
+++ b/.github/workflows/unittests-rust.yml
@@ -16,8 +16,7 @@ jobs:
       - name: Download test data
         if: steps.cache-test-data.outputs.cache-hit != 'true'
         run: |
-          cd crates/dekoder/tests/data
-          ./download.sh
+          ./test/data/assets.sh
       - uses: actions/setup-python@v5
       - name: Install task runner
         run: pip install poethepoet
diff --git a/.github/workflows/unittests.yml b/.github/workflows/unittests.yml
index a21b8531e..ee8df1d64 100644
--- a/.github/workflows/unittests.yml
+++ b/.github/workflows/unittests.yml
@@ -3,7 +3,22 @@ name: Python unit tests
 on: push
 
 jobs:
+  data:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - name: Get test data
+      id: cache-test-data
+      uses: actions/cache@v4
+      with:
+        path: test-data
+        key: test-data-v1
+    - name: Download test data
+      if: steps.cache-test-data.outputs.cache-hit != 'true'
+      run: |
+        ./test/data/assets.sh
   test:
+    needs: data
     strategy:
       matrix:
         python-version: ["3.9", "3.10", "3.11", "3.12"]
diff --git a/crates/dekoder/tests/data/download.sh b/crates/dekoder/tests/data/download.sh
deleted file mode 100755
index afcc880ec..000000000
--- a/crates/dekoder/tests/data/download.sh
+++ /dev/null
@@ -1,3 +0,0 @@
-# upload: scp v0.15.tar nnpdf@data.nnpdf.science:WEB/eko/test-data
-
-curl -s -C - -O 'https://data.nnpdf.science/eko/test-data/v0.15.tar'
diff --git a/download-test-assets.sh b/download-test-assets.sh
deleted file mode 100755
index 5b45e10b6..000000000
--- a/download-test-assets.sh
+++ /dev/null
@@ -1,8 +0,0 @@
-# upload: scp v0.15.tar nnpdf@data.nnpdf.science:WEB/eko/test-data
-
-curl -s -C - -o './tests/data/v0.15.tar' 'https://data.nnpdf.science/eko/test-data/v0.15.tar'
-curl -s -C - -o './tests/data/v0.13.tar' 'https://data.nnpdf.science/eko/test-data/ekov013.tar'
-curl -s -C - -o './tests/data/v0.14.tar' 'https://data.nnpdf.science/eko/test-data/ekov014.tar'
-
-
-
diff --git a/tests/data/assets.sh b/tests/data/assets.sh
new file mode 100755
index 000000000..9d96539ac
--- /dev/null
+++ b/tests/data/assets.sh
@@ -0,0 +1,17 @@
+#!/usr/bin/bash
+# upload: scp v0.15.tar nnpdf@data.nnpdf.science:WEB/eko/test-data
+
+# Server path
+URL="https://data.nnpdf.science/eko/test-data/"
+# local paths
+PYDATADIR="tests/data/"
+RUSTDATADIR="crates/dekoder/tests/data/"
+
+# download from the server
+curl -s -C - -o "./${PYDATADIR}v0.13.tar" "${URL}ekov013.tar"
+curl -s -C - -o "./${PYDATADIR}v0.14.tar" "${URL}ekov014.tar"
+curl -s -C - -o "./${PYDATADIR}v0.15.tar" "${URL}v0.15.tar"
+# expose to Rust
+if [ ! -f "./${RUSTDATADIR}v0.15.tar" ]; then
+    ln -s "./../../../../${PYDATADIR}v0.15.tar" "./${RUSTDATADIR}"
+fi