Bump to 5.0.0-nullsafety.2

PiperOrigin-RevId: 351178884
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1fa26eb..89f3b61 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,8 @@
+## 5.0.0-nullsafety.2
+
+* Fix issue with generated code which references a class declared in a part
+  ([#310](https://github.com/dart-lang/mockito/issues/310)).
+
 ## 5.0.0-nullsafety.1
 
 * Fix an issue with generated mocks overriding methods from Object, such as
diff --git a/pubspec.yaml b/pubspec.yaml
index fe800a8..4d45cd9 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,5 +1,5 @@
 name: mockito
-version: 5.0.0-nullsafety.1
+version: 5.0.0-nullsafety.2
 
 description: A mock framework inspired by Mockito.
 homepage: https://github.com/dart-lang/mockito