diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index c8b5225f..214a7ff4 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -30,3 +30,5 @@ jobs:
     - run: opam exec -- dune build
     - run: opam exec -- dune runtest
       if: ${{ matrix.os == 'ubuntu-latest' }}
+    - run: opam exec -- dune runtest -p containers # test only core on non-ubuntu platform
+      if: ${{ matrix.os != 'ubuntu-latest' }}