diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7f74ad1..dcbcd9c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 0.1.25
+
+* Add `isBroadcast` implementation to `TestStdin` classes.
+
 ## 0.1.24
 
 * Check for closed port when trying to read a response in
diff --git a/lib/testing.dart b/lib/testing.dart
index 037aa1e..1227ab2 100644
--- a/lib/testing.dart
+++ b/lib/testing.dart
@@ -43,6 +43,9 @@
   }
 
   @override
+  bool get isBroadcast => false;
+
+  @override
   void noSuchMethod(Invocation invocation) {
     throw StateError('Unexpected invocation ${invocation.memberName}.');
   }
@@ -76,6 +79,9 @@
   }
 
   @override
+  bool get isBroadcast => false;
+
+  @override
   void noSuchMethod(Invocation invocation) {
     throw StateError('Unexpected invocation ${invocation.memberName}.');
   }
diff --git a/pubspec.yaml b/pubspec.yaml
index e8ed964..e37fa77 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,5 +1,5 @@
 name: bazel_worker
-version: 0.1.24
+version: 0.1.25
 
 description: Tools for creating a bazel persistent worker.
 homepage: https://github.com/dart-lang/bazel_worker