diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index ee1da9d..2a8860e 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -16,6 +16,8 @@ jobs:
     steps:
       - name: Checkout code
         uses: actions/checkout@v2
+      - name: Install corosync
+        run: sudo apt install corosync
       - name: Use OCaml ${{ matrix.ocaml-compiler }}
         uses: ocaml/setup-ocaml@v2
         with: