diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 2601677b..d0ab6645 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "1.1.0"
+  ".": "1.2.0"
 }
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 88a4df09..6ed0d87e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [1.2.0](https://github.com/open-feature/dotnet-sdk/compare/v1.1.0...v1.2.0) (2023-02-14)
+
+
+### Features
+
+* split errors to classes by types ([#115](https://github.com/open-feature/dotnet-sdk/issues/115)) ([5f348f4](https://github.com/open-feature/dotnet-sdk/commit/5f348f46f2d9a5578a0db951bd78508ab74cabc0))
+
 ## [1.1.0](https://github.com/open-feature/dotnet-sdk/compare/v1.0.1...v1.1.0) (2023-01-18)
 
 
diff --git a/build/Common.prod.props b/build/Common.prod.props
index 15e7c42f..4032dcd5 100644
--- a/build/Common.prod.props
+++ b/build/Common.prod.props
@@ -6,7 +6,7 @@
   </PropertyGroup>
 
   <PropertyGroup>
-    <VersionNumber>1.1.0</VersionNumber> <!--x-release-please-version -->
+    <VersionNumber>1.2.0</VersionNumber> <!--x-release-please-version -->
     <RepositoryType>git</RepositoryType>
     <RepositoryUrl>https://github.com/open-feature/dotnet-sdk</RepositoryUrl>
     <Description>OpenFeature is an open standard for feature flag management, created to support a robust feature flag ecosystem using cloud native technologies. OpenFeature will provide a unified API and SDK, and a developer-first, cloud-native implementation, with extensibility for open source and commercial offerings.</Description>
diff --git a/version.txt b/version.txt
index 7f207341..26aaba0e 100644
--- a/version.txt
+++ b/version.txt
@@ -1 +1 @@
-1.0.1
\ No newline at end of file
+1.2.0