diff --git a/README.md b/README.md
index a965b00..96c7bce 100644
--- a/README.md
+++ b/README.md
@@ -20,7 +20,7 @@ The only documentation so far is this README and the
 import 'dart:collection';
 import 'package:propcheck/propcheck.dart';
 import 'package:enumerators/combinators.dart' as c;
-import 'package:unittest/unittest.dart';
+import 'package:test/test.dart';
 
 // defines append and reverse
 part 'demolib.dart';
diff --git a/example/demo.dart b/example/demo.dart
index 49cc91c..d2ae244 100644
--- a/example/demo.dart
+++ b/example/demo.dart
@@ -8,7 +8,7 @@ library demo;
 import 'demolib.dart';
 import 'package:propcheck/propcheck.dart';
 import 'package:enumerators/combinators.dart' as c;
-import 'package:unittest/unittest.dart' hide equals;
+import 'package:test/test.dart' hide equals;
 
 /* --- the properties to test --- */
 
@@ -37,6 +37,7 @@ main() {
   group('smallcheck', () {
     final sc = new SmallCheck(depth: 10);
     test('good', () => sc.check(goodProperty));
+
     test('bad', () => sc.check(badProperty));
   });
 
@@ -45,6 +46,7 @@ main() {
   group('quickcheck', () {
     final qc = new QuickCheck(maxSize: 300, seed: 42);
     test('good', () => qc.check(goodProperty));
+
     test('bad', () => qc.check(badProperty));
   });
 }
diff --git a/example/mirrors_demo.dart b/example/mirrors_demo.dart
index eeec688..e387ac3 100644
--- a/example/mirrors_demo.dart
+++ b/example/mirrors_demo.dart
@@ -2,7 +2,7 @@ library mirrors_demo;
 
 import 'demolib.dart';
 import 'package:propcheck/propcheck_mirrors.dart';
-import 'package:unittest/unittest.dart' hide equals;
+import 'package:test/test.dart' hide equals;
 
 /* --- the properties to test --- */
 
diff --git a/pubspec.yaml b/pubspec.yaml
index 018237f..160c9c6 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -9,4 +9,4 @@ dependencies:
   enumerators: '>=0.6.0 <0.7.0'
 dev_dependencies:
   collection: '>=1.4.0 <1.15.0'
-  unittest: '>=0.9.0 <0.10.0'
+  test: '>=0.12.0 <0.12.3+7'
diff --git a/test/mirrors_test.dart b/test/mirrors_test.dart
index 29455a0..f359b92 100644
--- a/test/mirrors_test.dart
+++ b/test/mirrors_test.dart
@@ -6,7 +6,7 @@
 import 'package:propcheck/propcheck_mirrors.dart';
 import 'package:enumerators/combinators.dart' as c;
 import 'package:enumerators/enumerators.dart' as e;
-import 'package:unittest/unittest.dart';
+import 'package:test/test.dart';
 
 bool boolArgument(bool x) => true;
 bool intArgument(int x) => true;
diff --git a/test/quickcheck_test.dart b/test/quickcheck_test.dart
index 34a2303..26d4a56 100644
--- a/test/quickcheck_test.dart
+++ b/test/quickcheck_test.dart
@@ -6,7 +6,7 @@
 import 'package:propcheck/propcheck.dart';
 import 'package:enumerators/combinators.dart' as c;
 import 'package:enumerators/enumerators.dart' as e;
-import 'package:unittest/unittest.dart';
+import 'package:test/test.dart';
 
 void quickCheckPerformsCheck() {
   bool called = false;
diff --git a/test/smallcheck_test.dart b/test/smallcheck_test.dart
index 38818ee..2152eee 100644
--- a/test/smallcheck_test.dart
+++ b/test/smallcheck_test.dart
@@ -5,7 +5,7 @@
 
 import 'package:propcheck/propcheck.dart';
 import 'package:enumerators/combinators.dart' as c;
-import 'package:unittest/unittest.dart';
+import 'package:test/test.dart';
 
 void smallCheckPerformsCheck() {
   bool called = false;