diff --git a/.github/actions/dependencies/action.yml b/.github/actions/dependencies/action.yml
index 106542a7904..10ef86a8daf 100644
--- a/.github/actions/dependencies/action.yml
+++ b/.github/actions/dependencies/action.yml
@@ -47,6 +47,8 @@ runs:
         SPACK_VERSION: ${{ inputs.spack_version }}
       run: |
         CI/dependencies/setup_spack.sh
+        bin/spack list > /dev/null
+        rm -rf spack/.git
         tar cf spack.tar spack/
         tar cf spack_cache.tar -C ~ .spack
 
@@ -54,7 +56,9 @@ runs:
       if: steps.cache-restore.outputs.cache-hit != 'true'
       uses: actions/cache/save@v3
       with:
-        path: spack.tar.zst
+        path: |
+          spack.tar
+          spack_cache.tar
         key: spack-v2-${{ inputs.spack_version }}-${{ hashFiles('CI/dependencies/setup_spack.sh') }}
 
     - name: Install dependencies
diff --git a/CI/dependencies/setup_spack.sh b/CI/dependencies/setup_spack.sh
index dba3939d282..4cb0772e01e 100755
--- a/CI/dependencies/setup_spack.sh
+++ b/CI/dependencies/setup_spack.sh
@@ -10,10 +10,5 @@ if [ ! -d "spack" ]; then
     pushd spack > /dev/null
     git config user.name 'CI'
     git config user.email '<>'
-
-    rm -rf .git
-
-    echo "Populating the repository index"
-    bin/spack list > /dev/null
     popd > /dev/null
 fi