diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 40f5436..514eeb0 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -22,6 +22,7 @@ jobs:
         run: |
           python -m pip install --upgrade pip
           pip install -e ".[test]"
+          pip install "hicache-pp @ git+https://github.com/Archerkattri/hicache-plus-plus@master"
       - name: Run CPU unit tests
         run: python -m pytest -q
       - name: Run registry security style checks