Bump patch version and CHANGELOG.
diff --git a/packages/cross_file/CHANGELOG.md b/packages/cross_file/CHANGELOG.md
index 94bf4b2..960c870 100644
--- a/packages/cross_file/CHANGELOG.md
+++ b/packages/cross_file/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 0.3.1+1
+
+* Rehomed to `flutter/packages` repository.
+
 ## 0.3.1
 
 * Fix nullability of `XFileBase`'s `path` and `name` to match the
diff --git a/packages/cross_file/pubspec.yaml b/packages/cross_file/pubspec.yaml
index 66d3f46..5195602 100644
--- a/packages/cross_file/pubspec.yaml
+++ b/packages/cross_file/pubspec.yaml
@@ -1,7 +1,7 @@
 name: cross_file
 description: An abstraction to allow working with files across multiple platforms.
-homepage: https://github.com/flutter/plugins/tree/master/packages/cross_file
-version: 0.3.1
+repository: https://github.com/flutter/packages/tree/master/packages/cross_file
+version: 0.3.1+1
 
 dependencies:
   flutter:
@@ -14,5 +14,5 @@
   pedantic: ^1.10.0
 
 environment:
-  sdk: ">=2.12.0-259.9.beta <3.0.0"
+  sdk: ">=2.12.0 <3.0.0"
   flutter: ">=1.22.0"