diff --git a/packages/pigeon/CHANGELOG.md b/packages/pigeon/CHANGELOG.md
index d5f23a5a926..4d7f127cb61 100644
--- a/packages/pigeon/CHANGELOG.md
+++ b/packages/pigeon/CHANGELOG.md
@@ -1,7 +1,11 @@
+## 13.1.1
+
+* [kotlin] Removes unnecessary `;`s in generated code.
+
 ## 13.1.0
 
 * [swift] Fixes Flutter Api void return error handling.
-  * This shouldn't be breaking for anyone, but if you were incorrectly getting 
+  * This shouldn't be breaking for anyone, but if you were incorrectly getting
     success responses, you may now be failing (correctly).
 * Adds method channel name to error response when channel fails to connect.
 * Reduces code generation duplication.
diff --git a/packages/pigeon/lib/generator_tools.dart b/packages/pigeon/lib/generator_tools.dart
index f0388e78515..a8768b8ec98 100644
--- a/packages/pigeon/lib/generator_tools.dart
+++ b/packages/pigeon/lib/generator_tools.dart
@@ -13,7 +13,7 @@ import 'ast.dart';
 /// The current version of pigeon.
 ///
 /// This must match the version in pubspec.yaml.
-const String pigeonVersion = '13.1.0';
+const String pigeonVersion = '13.1.1';
 
 /// Read all the content from [stdin] to a String.
 String readStdin() {
diff --git a/packages/pigeon/lib/kotlin_generator.dart b/packages/pigeon/lib/kotlin_generator.dart
index 9e7c1327435..6956cdcbe76 100644
--- a/packages/pigeon/lib/kotlin_generator.dart
+++ b/packages/pigeon/lib/kotlin_generator.dart
@@ -412,17 +412,17 @@ class KotlinGenerator extends StructuredGenerator<KotlinOptions> {
             indent.writeScoped('if (it is List<*>) {', '} ', () {
               indent.writeScoped('if (it.size > 1) {', '} ', () {
                 indent.writeln(
-                    'callback(Result.failure(FlutterError(it[0] as String, it[1] as String, it[2] as String?)));');
+                    'callback(Result.failure(FlutterError(it[0] as String, it[1] as String, it[2] as String?)))');
               }, addTrailingNewline: false);
               if (!func.returnType.isNullable && !func.returnType.isVoid) {
                 indent.addScoped('else if (it[0] == null) {', '} ', () {
                   indent.writeln(
-                      'callback(Result.failure(FlutterError("null-error", "Flutter api returned null value for non-null return value.", "")));');
+                      'callback(Result.failure(FlutterError("null-error", "Flutter api returned null value for non-null return value.", "")))');
                 }, addTrailingNewline: false);
               }
               indent.addScoped('else {', '}', () {
                 if (func.returnType.isVoid) {
-                  indent.writeln('callback(Result.success(Unit));');
+                  indent.writeln('callback(Result.success(Unit))');
                 } else {
                   const String output = 'output';
                   // Nullable enums require special handling.
@@ -436,13 +436,13 @@ class KotlinGenerator extends StructuredGenerator<KotlinOptions> {
                     indent.writeln(
                         'val $output = ${_cast(root, indent, 'it[0]', type: func.returnType)}');
                   }
-                  indent.writeln('callback(Result.success($output));');
+                  indent.writeln('callback(Result.success($output))');
                 }
               });
             }, addTrailingNewline: false);
             indent.addScoped('else {', '} ', () {
               indent.writeln(
-                  'callback(Result.failure(createConnectionError(channelName)));');
+                  'callback(Result.failure(createConnectionError(channelName)))');
             });
           });
         });
diff --git a/packages/pigeon/pubspec.yaml b/packages/pigeon/pubspec.yaml
index 6a88b0a0c71..74fb6589fe9 100644
--- a/packages/pigeon/pubspec.yaml
+++ b/packages/pigeon/pubspec.yaml
@@ -2,7 +2,7 @@ name: pigeon
 description: Code generator tool to make communication between Flutter and the host platform type-safe and easier.
 repository: https://github.com/flutter/packages/tree/main/packages/pigeon
 issue_tracker: https://github.com/flutter/flutter/issues?q=is%3Aissue+is%3Aopen+label%3Apigeon
-version: 13.1.0 # This must match the version in lib/generator_tools.dart
+version: 13.1.1 # This must match the version in lib/generator_tools.dart
 
 environment:
   sdk: ">=2.19.0 <4.0.0"
diff --git a/packages/pigeon/test/kotlin_generator_test.dart b/packages/pigeon/test/kotlin_generator_test.dart
index 19527e8f2a6..9f2fb321816 100644
--- a/packages/pigeon/test/kotlin_generator_test.dart
+++ b/packages/pigeon/test/kotlin_generator_test.dart
@@ -518,6 +518,8 @@ void main() {
     final String code = sink.toString();
     expect(code, contains('callback: (Result<Unit>) -> Unit'));
     expect(code, contains('callback(Result.success(Unit))'));
+    // Lines should not end in semicolons.
+    expect(code, isNot(contains(RegExp(r';\n'))));
   });
 
   test('gen host void argument api', () {
@@ -1584,6 +1586,6 @@ void main() {
     expect(
         code,
         contains(
-            'callback(Result.failure(createConnectionError(channelName)));'));
+            'callback(Result.failure(createConnectionError(channelName)))'));
   });
 }