diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 09a25228..1589e883 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-    ".": "1.2.0"
+    ".": "1.2.1"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4821d9a3..316f5f55 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [1.2.1](https://github.com/microsoftgraph/msgraph-cli-core/compare/v1.2.0...v1.2.1) (2024-02-13)
+
+
+### Bug Fixes
+
+* fix bug with authentication failure when environment is changed ([#347](https://github.com/microsoftgraph/msgraph-cli-core/issues/347)) ([eba1c70](https://github.com/microsoftgraph/msgraph-cli-core/commit/eba1c70f49ada4fafaf05a647fed580b60c6a6d1)), closes [#346](https://github.com/microsoftgraph/msgraph-cli-core/issues/346)
+
 ## [1.2.0](https://github.com/microsoftgraph/msgraph-cli-core/compare/v1.1.0...v1.2.0) (2024-02-05)
 
 
diff --git a/src/Microsoft.Graph.Cli.Core/Microsoft.Graph.Cli.Core.csproj b/src/Microsoft.Graph.Cli.Core/Microsoft.Graph.Cli.Core.csproj
index c76a690f..b5083752 100644
--- a/src/Microsoft.Graph.Cli.Core/Microsoft.Graph.Cli.Core.csproj
+++ b/src/Microsoft.Graph.Cli.Core/Microsoft.Graph.Cli.Core.csproj
@@ -7,7 +7,7 @@
     <Nullable>enable</Nullable>
     <!-- Recommended: Embed symbols containing Source Link in the main file (exe/dll) -->
     <DebugType>embedded</DebugType>
-    <Version>1.2.0</Version>
+    <Version>1.2.1</Version>
     <IsTrimmable>true</IsTrimmable>
 
     <PackageValidationBaselineVersion>1.0.0</PackageValidationBaselineVersion>