diff --git a/CHANGELOG.md b/CHANGELOG.md
index ae90612..1c9f5fc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 0.13.4+1
+
+* Ensure that multiple-value arguments produce reified `List<String>`s.
+
 ## 0.13.4
 
 * By default, only the first line of a command's description is included in its
diff --git a/lib/src/parser.dart b/lib/src/parser.dart
index 5567854..22579fb 100644
--- a/lib/src/parser.dart
+++ b/lib/src/parser.dart
@@ -258,7 +258,7 @@
       return;
     }
 
-    var list = results.putIfAbsent(option.name, () => []);
+    var list = results.putIfAbsent(option.name, () => <String>[]);
 
     if (option.splitCommas) {
       for (var element in value.split(",")) {
diff --git a/pubspec.yaml b/pubspec.yaml
index 38b5654..78a8a72 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,5 +1,5 @@
 name: args
-version: 0.13.4
+version: 0.13.4+1
 author: "Dart Team <misc@dartlang.org>"
 homepage: https://github.com/dart-lang/args
 description: >
diff --git a/test/parse_test.dart b/test/parse_test.dart
index cdc6d5e..6ce8a19 100644
--- a/test/parse_test.dart
+++ b/test/parse_test.dart
@@ -161,6 +161,10 @@
 
         parser.parse(['--a=v', '--a=x']);
         expect(a, equals(['v', 'x']));
+
+        // This reified type is important in strong mode so that people can
+        // safely write "as List<String>".
+        expect(a, new isInstanceOf<List<String>>());
       });
 
       test('for single present, allowMultiple, options are invoked with '