diff --git a/Directory.Packages.props b/Directory.Packages.props
index 318aca4ecce..e86a1875540 100644
--- a/Directory.Packages.props
+++ b/Directory.Packages.props
@@ -9,7 +9,7 @@
         possible and only deviate (use a specific version) when a package has a
         more specific patch which must be reference directly.
     -->
-    <LatestRuntimeOutOfBandVer>9.0.0-rc.1.24431.7</LatestRuntimeOutOfBandVer>
+    <LatestRuntimeOutOfBandVer>9.0.0</LatestRuntimeOutOfBandVer>
 
     <!-- Mitigate https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-43485. -->
     <SystemTextEncodingsWebOutOfBandMinimumCoreAppVer>8.0.0</SystemTextEncodingsWebOutOfBandMinimumCoreAppVer>
@@ -106,7 +106,7 @@
     <PackageVersion Include="Microsoft.Extensions.Hosting" Version="$(LatestRuntimeOutOfBandVer)" />
     <PackageVersion Include="Microsoft.Extensions.Http" Version="$(LatestRuntimeOutOfBandVer)" />
     <PackageVersion Include="Microsoft.Extensions.Logging.Abstractions" Version="$(LatestRuntimeOutOfBandVer)" />
-    <PackageVersion Include="Microsoft.Extensions.Telemetry.Abstractions" Version="[9.0.0-preview.8.24460.1,)" />
+    <PackageVersion Include="Microsoft.Extensions.Telemetry.Abstractions" Version="[9.0.0,)" />
     <PackageVersion Include="Microsoft.NETFramework.ReferenceAssemblies" Version="[1.0.3,2.0)" />
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="[17.11.0,18.0.0)" />
     <PackageVersion Include="Microsoft.SourceLink.GitHub" Version="[8.0.0,9.0)" />
@@ -129,7 +129,7 @@
   </ItemGroup>
 
   <ItemGroup Condition="'$(TargetFramework)' == 'net9.0'">
-    <PackageVersion Include="Microsoft.AspNetCore.TestHost" Version="9.0.0-rc.1.24452.1" />
+    <PackageVersion Include="Microsoft.AspNetCore.TestHost" Version="9.0.0" />
   </ItemGroup>
 
 </Project>
diff --git a/global.json b/global.json
index f459bbb82e4..6a79b98070b 100644
--- a/global.json
+++ b/global.json
@@ -1,6 +1,6 @@
 {
   "sdk": {
     "rollForward": "latestFeature",
-    "version": "9.0.100-rc.1.24452.12"
+    "version": "9.0.100"
   }
 }
diff --git a/src/OpenTelemetry.Api.ProviderBuilderExtensions/CHANGELOG.md b/src/OpenTelemetry.Api.ProviderBuilderExtensions/CHANGELOG.md
index 044d9ee07ab..57ca6c22dc4 100644
--- a/src/OpenTelemetry.Api.ProviderBuilderExtensions/CHANGELOG.md
+++ b/src/OpenTelemetry.Api.ProviderBuilderExtensions/CHANGELOG.md
@@ -7,6 +7,10 @@ Notes](../../RELEASENOTES.md).
 
 ## Unreleased
 
+* Updated `Microsoft.Extensions.DependencyInjection.Abstractions` package
+  version to `9.0.0`.
+  ([#5967](https://github.com/open-telemetry/opentelemetry-dotnet/pull/5967))
+
 ## 1.10.0-rc.1
 
 Released 2024-Nov-01
diff --git a/src/OpenTelemetry.Api/CHANGELOG.md b/src/OpenTelemetry.Api/CHANGELOG.md
index a98f2964723..2d3058d2abd 100644
--- a/src/OpenTelemetry.Api/CHANGELOG.md
+++ b/src/OpenTelemetry.Api/CHANGELOG.md
@@ -6,6 +6,10 @@ Notes](../../RELEASENOTES.md).
 
 ## Unreleased
 
+* Updated `System.Diagnostics.DiagnosticSource` package version to
+  `9.0.0`.
+  ([#5967](https://github.com/open-telemetry/opentelemetry-dotnet/pull/5967))
+
 ## 1.10.0-rc.1
 
 Released 2024-Nov-01
diff --git a/src/OpenTelemetry.Exporter.OpenTelemetryProtocol/CHANGELOG.md b/src/OpenTelemetry.Exporter.OpenTelemetryProtocol/CHANGELOG.md
index 05f1164de2a..b178095230f 100644
--- a/src/OpenTelemetry.Exporter.OpenTelemetryProtocol/CHANGELOG.md
+++ b/src/OpenTelemetry.Exporter.OpenTelemetryProtocol/CHANGELOG.md
@@ -34,10 +34,6 @@ Released 2024-Sep-30
   on mobile platforms which caused telemetry to be dropped silently.
   ([#5821](https://github.com/open-telemetry/opentelemetry-dotnet-contrib/pull/5821))
 
-* Updated `Microsoft.Extensions.Hosting.Abstractions` package
-  version to `9.0.0-rc.1.24431.7`.
-  ([#5853](https://github.com/open-telemetry/opentelemetry-dotnet/pull/5853))
-
 ## 1.9.0
 
 Released 2024-Jun-14
diff --git a/src/OpenTelemetry.Extensions.Hosting/CHANGELOG.md b/src/OpenTelemetry.Extensions.Hosting/CHANGELOG.md
index 931b9dab7b0..fa983a35754 100644
--- a/src/OpenTelemetry.Extensions.Hosting/CHANGELOG.md
+++ b/src/OpenTelemetry.Extensions.Hosting/CHANGELOG.md
@@ -6,6 +6,10 @@ Notes](../../RELEASENOTES.md).
 
 ## Unreleased
 
+* Updated `Microsoft.Extensions.Hosting.Abstractions` package
+  version to `9.0.0`.
+  ([#5967](https://github.com/open-telemetry/opentelemetry-dotnet/pull/5967))
+
 ## 1.10.0-rc.1
 
 Released 2024-Nov-01
diff --git a/src/OpenTelemetry/CHANGELOG.md b/src/OpenTelemetry/CHANGELOG.md
index 7313e6cbf5b..b7d92f2ebf7 100644
--- a/src/OpenTelemetry/CHANGELOG.md
+++ b/src/OpenTelemetry/CHANGELOG.md
@@ -22,6 +22,11 @@ Notes](../../RELEASENOTES.md).
   MetricPoints will automatically be reclaimed and reused for future
   measurements. There is NO ability to revert to the old behavior.
 
+* Updated the `Microsoft.Extensions.Logging.Configuration` and
+  `Microsoft.Extensions.Diagnostics.Abstractions` package versions to
+  `9.0.0`.
+  ([#5967](https://github.com/open-telemetry/opentelemetry-dotnet/pull/5967))
+
 ## 1.10.0-rc.1
 
 Released 2024-Nov-01