diff --git a/docs/README.md b/docs/README.md
index 3ad65679..8e34f814 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -24,7 +24,12 @@
 
 
 
-## 1.28.0
+### 1.28.1
+
+- [Optimization] Reduce string memory allocation when template save #439 (via @cupsos)
+- [Optimization] Remove dependency System.Memory #441 (via @ping9719)
+
+### 1.28.0
 
 - [New] Support CSV Insert #I4X92G (via @shps951023)
 
diff --git a/docs/README.zh-CN.md b/docs/README.zh-CN.md
index e0aecc4b..a7024718 100644
--- a/docs/README.zh-CN.md
+++ b/docs/README.zh-CN.md
@@ -27,9 +27,12 @@
 
 
 
+### 1.28.1
 
+- [Optimization] 减少 template save string memory allocation #439 (via @cupsos)
+- [Optimization] 移除 System.Memory 依赖 #441 (via @ping9719)
 
-## 1.28.0
+### 1.28.0
 
 - [New] 支持 CSV Insert 方法 #I4X92G (via @shps951023)
 
diff --git a/docs/README.zh-Hant.md b/docs/README.zh-Hant.md
index 12aebca2..7623fe8b 100644
--- a/docs/README.zh-Hant.md
+++ b/docs/README.zh-Hant.md
@@ -26,7 +26,12 @@
 
 
 
-## 1.28.0
+### 1.28.1
+
+- [Optimization] 減少 template save string memory allocation #439 (via @cupsos)
+- [Optimization] 移除 System.Memory 依賴 #441 (via @ping9719)
+
+### 1.28.0
 
 - [New] 支持 CSV Insert 方法 #I4X92G (via @shps951023)
 
diff --git a/src/MiniExcel/MiniExcelLibs.csproj b/src/MiniExcel/MiniExcelLibs.csproj
index c2cdb6fe..a1b4c4ba 100644
--- a/src/MiniExcel/MiniExcelLibs.csproj
+++ b/src/MiniExcel/MiniExcelLibs.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 	<PropertyGroup>
 		<TargetFrameworks>net45;netstandard2.0;net5.0</TargetFrameworks>
-		<Version>1.28.0</Version>
+		<Version>1.28.1</Version>
 	</PropertyGroup>
 	<PropertyGroup>
 		<AssemblyName>MiniExcel</AssemblyName>