diff --git a/lib/grpc_connection_interface.dart b/lib/grpc_connection_interface.dart
index 37bf3d6..c0e3176 100644
--- a/lib/grpc_connection_interface.dart
+++ b/lib/grpc_connection_interface.dart
@@ -15,6 +15,7 @@
 
 /// Exports an interface suitable for defining an alternate implementation of
 /// [ClientChannel].
+library;
 
 export 'src/client/call.dart' show CallOptions, ClientCall;
 export 'src/client/channel.dart' show ClientChannelBase;
diff --git a/pubspec.yaml b/pubspec.yaml
index 1154abf..d6e7ad4 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -22,7 +22,7 @@ dependencies:
 dev_dependencies:
   build_runner: ^2.0.0
   build_test: ^2.0.0
-  lints: ^2.0.0
+  lints: ">=2.0.0 <4.0.0"
   mockito: ^5.0.0
   path: ^1.8.0
   test: ^1.16.0
diff --git a/test/src/server_utils.dart b/test/src/server_utils.dart
index 24a9410..8f4a1d5 100644
--- a/test/src/server_utils.dart
+++ b/test/src/server_utils.dart
@@ -122,7 +122,7 @@ class ServerHarness extends _Harness {
   @override
   ConnectionServer createServer() => Server.create(
         services: <Service>[service],
-        interceptors: <Interceptor>[interceptor],
+        interceptors: <Interceptor>[interceptor.call],
       );
 
   static ServiceMethod<int, int> createMethod(String name,
@@ -136,7 +136,7 @@ class ConnectionServerHarness extends _Harness {
   @override
   ConnectionServer createServer() => ConnectionServer(
         <Service>[service],
-        <Interceptor>[interceptor],
+        <Interceptor>[interceptor.call],
       );
 
   static ServiceMethod<int, int> createMethod(