diff --git a/.github/workflows/r-build-test.yml b/.github/workflows/r-build-test.yml
index 5d51870a..8cd100aa 100644
--- a/.github/workflows/r-build-test.yml
+++ b/.github/workflows/r-build-test.yml
@@ -56,7 +56,7 @@ jobs:
       - name: Upload artifacts
         uses: actions/upload-artifact@v4
         with:
-          name: tmp-${{ env.TAG }}
+          name: tmp-${{ matrix.tag }}
           path: tmp
 
   regression-test:
diff --git a/scripts/setup_R.sh b/scripts/setup_R.sh
index c2e8202a..183ec81b 100755
--- a/scripts/setup_R.sh
+++ b/scripts/setup_R.sh
@@ -58,6 +58,7 @@ if [ ! -x "$(command -v r)" ]; then
         liblzma-dev \
         libbz2-dev \
         zlib1g-dev \
+        libzstd-dev \
         libicu-dev"
 
     if [ "$(find /var/lib/apt/lists/* | wc -l)" = "0" ]; then