diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 3fcb5232..3a5c66ec 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -39,7 +39,7 @@ jobs:
 
       - run: opam install . --deps-only --with-test
 
-      - run: opam exec -- dune build @install -p opentelemetry,opentelemetry-lwt,opentelemetry-client-ocurl,opentelemetry-cohttp-lwt
+      - run: opam exec -- dune build @install -p opentelemetry,opentelemetry-lwt,opentelemetry-client-ocurl,opentelemetry-cohttp-lwt,opentelemetry-client-cohttp-lwt
 
       - run: opam pin ocaml-protoc 2.3 -y
 
diff --git a/dune-project b/dune-project
index a0833b62..c086fefc 100644
--- a/dune-project
+++ b/dune-project
@@ -64,6 +64,7 @@
    (opentelemetry (= :version))
    (pbrt (>= 2.2))
    (odoc :with-doc)
+   (lwt_ppx :with-test)
    cohttp-lwt
    cohttp-lwt-unix)
   (synopsis "Collector client for opentelemetry, using cohttp + lwt"))
diff --git a/opentelemetry-client-cohttp-lwt.opam b/opentelemetry-client-cohttp-lwt.opam
index 70dae714..f3a4ca4c 100644
--- a/opentelemetry-client-cohttp-lwt.opam
+++ b/opentelemetry-client-cohttp-lwt.opam
@@ -15,6 +15,7 @@ depends: [
   "opentelemetry" {= version}
   "pbrt" {>= "2.2"}
   "odoc" {with-doc}
+  "lwt_ppx" {with-test}
   "cohttp-lwt"
   "cohttp-lwt-unix"
 ]