diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 636080e..03bd543 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -21,6 +21,6 @@ jobs:
         with:
           ocaml-compiler: ${{ matrix.ocaml-compiler }}
       - run: opam install . --deps-only --with-test
-      - run: opam install core_bench core_unix
+      - run: opam install core_bench core_unix memtrace csv
       - run: opam exec -- dune build
       - run: opam exec -- dune runtest