diff --git a/.github/workflows/ci-aarch64.yml b/.github/workflows/ci-aarch64.yml
index 946d3d1ab74..eed3a904f96 100644
--- a/.github/workflows/ci-aarch64.yml
+++ b/.github/workflows/ci-aarch64.yml
@@ -182,7 +182,7 @@ jobs:
         id: cache-acl-restore
         uses: actions/cache/restore@v4
         with:
-          key: ${{ steps.get_system_name.outputs.SystemName }}-acl-${{ matrix.toolset }}-${{ matrix.config }}-${{ steps.get_acl_commit_hash.outputs.ACLCommitHash }}
+          key: ${{ steps.get_system_name.outputs.SystemName }}-acl-${{ matrix.toolset }}-${{ matrix.config }}-${{ matrix.threading }}-${{ steps.get_acl_commit_hash.outputs.ACLCommitHash }}
           path: ${{ github.workspace }}/ComputeLibrary/build
 
       - name: Build ACL