Support package:vm_service 3.0.0(#1191)

diff --git a/pkgs/test_core/CHANGELOG.md b/pkgs/test_core/CHANGELOG.md
index a90a6a3..722220c 100644
--- a/pkgs/test_core/CHANGELOG.md
+++ b/pkgs/test_core/CHANGELOG.md
@@ -1,5 +1,6 @@
 ## 0.3.1-dev
 
+* Support latest `package:vm_service`.
 * Enable asserts in code running through `spawnHybrid` APIs.
 * Exit with a non-zero code if no tests were ran, whether due to skips or having
   no tests defined.
diff --git a/pkgs/test_core/pubspec.yaml b/pkgs/test_core/pubspec.yaml
index 312fe7b..080afe0 100644
--- a/pkgs/test_core/pubspec.yaml
+++ b/pkgs/test_core/pubspec.yaml
@@ -25,7 +25,7 @@
   source_span: ^1.4.0
   stack_trace: ^1.9.0
   stream_channel: ">=1.7.0 <3.0.0"
-  vm_service: '>=1.0.0 <3.0.0'
+  vm_service: '>=1.0.0 <4.0.0'
   yaml: ^2.0.0
   # Use a tight version constraint to ensure that a constraint on matcher
   # properly constrains all features it provides.