diff --git a/README.md b/README.md
index ae4f3b0..f05aad0 100644
--- a/README.md
+++ b/README.md
@@ -35,7 +35,7 @@ Alternatively, add the following line to your `.csproj` file.
 
 ```text
   <ItemGroup>
-    <PackageReference Include="Mscc.GenerativeAI" Version="1.6.4" />
+    <PackageReference Include="Mscc.GenerativeAI" Version="1.6.5" />
   </ItemGroup>
 ```
 
diff --git a/VERSION b/VERSION
index 6463e95..49ebdd6 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.6.4
\ No newline at end of file
+1.6.5
\ No newline at end of file
diff --git a/src/Mscc.GenerativeAI.Google/CHANGELOG.md b/src/Mscc.GenerativeAI.Google/CHANGELOG.md
index 197eb7d..342af68 100644
--- a/src/Mscc.GenerativeAI.Google/CHANGELOG.md
+++ b/src/Mscc.GenerativeAI.Google/CHANGELOG.md
@@ -11,6 +11,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Changed
 ### Fixed
 
+## 1.6.5
+
+### Changed
+
+- bump version
+
 ## 1.6.4
 
 ### Changed
diff --git a/src/Mscc.GenerativeAI.Web/CHANGELOG.md b/src/Mscc.GenerativeAI.Web/CHANGELOG.md
index 44ca04a..e67a0ed 100644
--- a/src/Mscc.GenerativeAI.Web/CHANGELOG.md
+++ b/src/Mscc.GenerativeAI.Web/CHANGELOG.md
@@ -11,6 +11,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Changed
 ### Fixed
 
+## 1.6.5
+
+### Changed
+
+- bump version
+
 ## 1.6.4
 
 ### Changed
diff --git a/src/Mscc.GenerativeAI/CHANGELOG.md b/src/Mscc.GenerativeAI/CHANGELOG.md
index 7fa12bd..e076235 100644
--- a/src/Mscc.GenerativeAI/CHANGELOG.md
+++ b/src/Mscc.GenerativeAI/CHANGELOG.md
@@ -16,6 +16,20 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Changed
 ### Fixed
 
+## 1.6.5
+
+### Added
+
+- add properties `State`, `Error`, and `VideoMetadata` to type `FileResource`. [#33](https://github.com/mscraftsman/generative-ai/issues/33)
+- overload method of `UploadMedia` to support stream types ([#38](https://github.com/mscraftsman/generative-ai/issues/38))
+
+### Changed
+
+- use of using expression to dispose `FileStream` after upload [#35](https://github.com/mscraftsman/generative-ai/pull/37) - thanks @rsmithsa
+- enhance returned error information [#33](https://github.com/mscraftsman/generative-ai/issues/33)
+- update enums according to $discovery
+- sync target frameworks among projects
+
 ## 1.6.4
 
 ### Changed