diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index f31ef7ad..0c886195 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -23,9 +23,9 @@ jobs:
         opam pin add -n conduit-async.dev .
         opam pin add -n conduit-mirage.dev .
         opam pin add -n conduit-tls.dev .
-        opam depext -y lwt_ssl
+        opam depext -y lwt_ssl async_ssl
         opam depext -y conduit conduit-lwt conduit-async conduit-mirage
-        opam install -y lwt_ssl
+        opam install -y lwt_ssl async_ssl
         opam install -y --deps-only .
     - name: Build
       run: opam exec -- dune build