diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 3d5f4e35..1269f909 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "4.5.0"
+  ".": "4.6.0"
 }
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6617ed10..0e095c5d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,14 @@
 # Changelog
 
+## [4.6.0](https://github.com/googleapis/gax-dotnet/compare/Google.Api.Gax-4.5.0...Google.Api.Gax-4.6.0) (2024-02-02)
+
+
+### Features
+
+* Adds UniverseDomain client option. ([e9ee219](https://github.com/googleapis/gax-dotnet/commit/e9ee219dc7268b4a2ab7842d309a55970d60003e))
+* Use the universe domain to build service endpoints. ([f1fee08](https://github.com/googleapis/gax-dotnet/commit/f1fee0868b624f0f3ebecb44b405381b74d9415b))
+* Validate that client and credential universe domain are the same. ([bac7369](https://github.com/googleapis/gax-dotnet/commit/bac7369d11e80a47c08fe2e384db02095b240324))
+
 ## [4.5.0](https://github.com/googleapis/gax-dotnet/compare/Google.Api.Gax-4.4.0...Google.Api.Gax-4.5.0) (2024-01-22)
 
 
diff --git a/ReleaseVersion.xml b/ReleaseVersion.xml
index ed048f0f..c079797c 100644
--- a/ReleaseVersion.xml
+++ b/ReleaseVersion.xml
@@ -5,6 +5,6 @@
     - divergent versions, but for the moment this keeps things simpler.
     -->
   <PropertyGroup>
-    <Version>4.6.0-beta00</Version>
+    <Version>4.6.0</Version>
   </PropertyGroup>
 </Project>