diff --git a/tests/client_e2e/dune b/tests/client_e2e/dune
index 1e6415a0..edd23b25 100644
--- a/tests/client_e2e/dune
+++ b/tests/client_e2e/dune
@@ -12,15 +12,22 @@
  (name signal_gatherer)
  (modules signal_gatherer)
  (libraries
-  str
-  alcotest
-  cohttp-lwt-unix
-  fmt
-  unix
-  containers
+  (re_export str)
+  (re_export alcotest)
+  (re_export cohttp)
+  conduit-lwt
+  conduit-lwt-unix
+  (re_export cohttp-lwt)
+  (re_export cohttp-lwt-unix)
+  (re_export fmt)
+  (re_export unix)
+  (re_export containers)
   logs.fmt
   logs.threaded
-  opentelemetry-client))
+  lwt
+  lwt.unix
+  (re_export opentelemetry)
+  (re_export opentelemetry-client)))
 
 (library
  (name clients_e2e_lib)
diff --git a/tests/core/dune b/tests/core/dune
index cbdd974f..ad9aceba 100644
--- a/tests/core/dune
+++ b/tests/core/dune
@@ -1,4 +1,4 @@
 (tests
  (names test_trace_context t_size)
  (package opentelemetry)
- (libraries opentelemetry opentelemetry-client))
+ (libraries pbrt opentelemetry opentelemetry-client))
diff --git a/tests/implicit_scope/sync/dune b/tests/implicit_scope/sync/dune
index 8b5407f4..b1db3982 100644
--- a/tests/implicit_scope/sync/dune
+++ b/tests/implicit_scope/sync/dune
@@ -1,4 +1,4 @@
 (tests
  (names test_implicit_scope_sync)
  (package opentelemetry-client-cohttp-lwt)
- (libraries alcotest opentelemetry opentelemetry-client-cohttp-lwt))
+ (libraries threads alcotest opentelemetry opentelemetry-client-cohttp-lwt))
diff --git a/tests/ocurl/dune b/tests/ocurl/dune
index 499e9ea3..f60d81a0 100644
--- a/tests/ocurl/dune
+++ b/tests/ocurl/dune
@@ -1,4 +1,4 @@
 (tests
  (names test_urls)
  (package opentelemetry-client-ocurl)
- (libraries opentelemetry opentelemetry-client-ocurl))
+ (libraries unix opentelemetry opentelemetry-client-ocurl))