diff --git a/lib/grpc-async/dune b/lib/grpc-async/dune
index 3bd83b1..2db5222 100644
--- a/lib/grpc-async/dune
+++ b/lib/grpc-async/dune
@@ -1,6 +1,6 @@
 (library
  (name grpc_async)
  (public_name grpc-async)
- (libraries grpc h2 h2-async stringext async)
+ (libraries grpc h2 stringext async)
  (preprocess
   (pps ppx_jane)))
diff --git a/lib/grpc-eio/dune b/lib/grpc-eio/dune
index b112d4e..39ce5ea 100644
--- a/lib/grpc-eio/dune
+++ b/lib/grpc-eio/dune
@@ -1,4 +1,4 @@
 (library
  (name grpc_eio)
  (public_name grpc-eio)
- (libraries grpc h2-eio))
+ (libraries grpc h2 eio))