diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 118047f1..0a57dd45 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -55,7 +55,7 @@ jobs:
       - run: opam install . --deps-only --with-test --solver=mccs
         if: ${{ startsWith(matrix.ocaml-compiler, '5') }}
 
-      - run: opam exec -- dune build @install -p opentelemetry,opentelemetry-lwt,opentelemetry-client-ocurl,opentelemetry-cohttp-lwt,opentelemetry-client-cohttp-lwt,opentelemetry-logs
+      - run: opam exec -- dune build @install -p opentelemetry,opentelemetry-client,opentelemetry-lwt,opentelemetry-client-ocurl,opentelemetry-cohttp-lwt,opentelemetry-client-cohttp-lwt,opentelemetry-logs
 
       - run: opam pin trace --dev -y -n
       - run: opam install trace
diff --git a/dune-project b/dune-project
index 3bd0efec..48a2a926 100644
--- a/dune-project
+++ b/dune-project
@@ -161,6 +161,8 @@
   (odoc :with-doc)
   (lwt
    (>= "5.3"))
+  (cohttp
+   (>= "6.0.0"))
   (cohttp-lwt
    (>= "6.0.0"))
   (alcotest :with-test))
diff --git a/opentelemetry-cohttp-lwt.opam b/opentelemetry-cohttp-lwt.opam
index 67c89ed5..afb80d1d 100644
--- a/opentelemetry-cohttp-lwt.opam
+++ b/opentelemetry-cohttp-lwt.opam
@@ -18,6 +18,7 @@ depends: [
   "opentelemetry-lwt" {= version}
   "odoc" {with-doc}
   "lwt" {>= "5.3"}
+  "cohttp" {>= "6.0.0"}
   "cohttp-lwt" {>= "6.0.0"}
   "alcotest" {with-test}
 ]
diff --git a/src/util/dune b/src/util/dune
index dcb8951b..123371b7 100644
--- a/src/util/dune
+++ b/src/util/dune
@@ -5,5 +5,6 @@
  (libraries
   (re_export opentelemetry.atomic)
   ptime
+  threads
   opentelemetry.domain)
  (synopsis "Basic utilities for opentelemetry"))