diff --git a/CHANGELOG.md b/CHANGELOG.md
index d7d2fa86..8c76fe51 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,4 @@
-## [2.1.0-nullsafety.0] - 2022-3-10
+## [2.1.0-nullsafety.1] - 2022-3-10
 ### Changed
 
 #### base 
diff --git a/README.en-US.md b/README.en-US.md
index 6571c9bd..aee5350d 100644
--- a/README.en-US.md
+++ b/README.en-US.md
@@ -48,7 +48,7 @@ If you cannot access the demo, you can directly watch [Overview](https://github.
 | ---------- | ---------------- |
 | 1.0.0      | 1.22.4           |
 | 2.0.0      | 2.2.2            |
-| 2.1.0-nullsafety.0      | 2.2.2            |
+| 2.1.0-nullsafety.1      | 2.2.2            |
 
 > Attention although we have adapted version 2.2.2, support for null-safe is in the works. We'll keep you updated on github as soon as possible, so stay tuned to 🙂.
 
diff --git a/README.md b/README.md
index 2b5fe56a..9d7a88b4 100644
--- a/README.md
+++ b/README.md
@@ -44,7 +44,7 @@
 | ---------- | ---------------- |
 | 1.0.0      | 1.22.4           |
 | 2.0.0      | 2.2.2            |
-| 2.1.0-nullsafety.0      | 2.2.2            |
+| 2.1.0-nullsafety.1      | 2.2.2            |
 
 
 
diff --git a/pubspec.yaml b/pubspec.yaml
index 15ae855e..a99bfcaf 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,6 +1,6 @@
 name: bruno
 description: An enterprise-class package of Flutter components for mobile applications.
-version: 2.1.0-nullsafety.0
+version: 2.1.0-nullsafety.1
 homepage: https://github.com/LianjiaTech/bruno
 
 environment: