diff --git a/test/dart/test_client/.analysis_options b/test/dart/test_client/.analysis_options
new file mode 100644
index 0000000..a10d4c5
--- /dev/null
+++ b/test/dart/test_client/.analysis_options
@@ -0,0 +1,2 @@
+analyzer:
+  strong-mode: true
diff --git a/test/dart/test_client/bin/main.dart b/test/dart/test_client/bin/main.dart
index 78a4f79..996844b 100644
--- a/test/dart/test_client/bin/main.dart
+++ b/test/dart/test_client/bin/main.dart
@@ -251,7 +251,7 @@
   }));
 
   tests.add(new TTest(TEST_CONTAINERS, 'testSet', () async {
-    var input = new Set.from([-2, -1, 0, 1, 2]);
+    var input = new Set<int>.from([-2, -1, 0, 1, 2]);
     var result = await client.testSet(input);
     var equality = const SetEquality();
     if (!equality.equals(result, input)) throw new TTestError(result, input);
diff --git a/test/dart/test_client/pubspec.yaml b/test/dart/test_client/pubspec.yaml
index 493ee32..a91aa45 100644
--- a/test/dart/test_client/pubspec.yaml
+++ b/test/dart/test_client/pubspec.yaml
@@ -20,8 +20,10 @@
 description: A client integration test for the Dart Thrift library
 author: Apache Thrift Developers <dev@thrift.apache.org>
 homepage: http://thrift.apache.org
+
 environment:
-  sdk: ^1.12.0
+  sdk: ">=1.13.0 <2.0.0"
+
 dependencies:
   args: ^0.13.0
   http: ^0.11.0
@@ -29,5 +31,6 @@
     path: ../../../lib/dart
   thrift_test:
     path: ../gen-dart/thrift_test
+
 dev_dependencies:
   test: "^0.12.0"