diff --git a/.github/workflows/build-core-lib.yml b/.github/workflows/build-core-lib.yml
index 05b77c3a25..cc2ac6ac5b 100644
--- a/.github/workflows/build-core-lib.yml
+++ b/.github/workflows/build-core-lib.yml
@@ -54,11 +54,11 @@ jobs:
         dotnet-version: 9.0.205
         # dotnet-quality: ga
 
-     - name: Setup .NET 10.0
-       uses: actions/setup-dotnet@v4
-       with:
-        dotnet-version: 10.0.x
-        dotnet-quality: preview
+     # - name: Setup .NET 10.0
+     #   uses: actions/setup-dotnet@v4
+     #   with:
+     #    dotnet-version: 10.0.x
+     #    dotnet-quality: preview
 
      # Build
 
@@ -177,12 +177,6 @@ jobs:
           dotnet-version: 9.0.205
           # dotnet-quality: ga
 
-      - name: Setup .NET 10.0
-        uses: actions/setup-dotnet@v4
-        with:
-          dotnet-version: 10.0.x
-          dotnet-quality: preview
-
       - name: .NET Builld
         run: dotnet build ${{ env.PROJECT }} -c ${{ env.BUILD_CONFIG }} -o publish -f ${{ env.DOTNET_VERSION }} -r linux-x64 --self-contained=true -p:BuildNumber=$BUILD_NUMBER -p:SourceRevisionId=$GITHUB_SHA -p:ContinuousIntegrationBuild=true
 
diff --git a/.github/workflows/deploy_preview.yml b/.github/workflows/deploy_preview.yml
index 726a258c26..b7b93077fc 100644
--- a/.github/workflows/deploy_preview.yml
+++ b/.github/workflows/deploy_preview.yml
@@ -36,7 +36,7 @@ jobs:
         uses: actions/setup-dotnet@v4
         with:
           dotnet-version: 9.0.205
-          #dotnet-quality: ga
+          # dotnet-quality: ga
 
       - name: .NET Builld
         run: dotnet build ${{ env.PROJECT }} -c ${{ env.BUILD_CONFIG }} -o publish -f ${{ env.DOTNET_VERSION }} -r linux-x64 --self-contained=true -p:BuildNumber=$BUILD_NUMBER -p:SourceRevisionId=$GITHUB_SHA -p:ContinuousIntegrationBuild=true
diff --git a/Directory.Build.props b/Directory.Build.props
index 61c010d63b..dbca291211 100644
--- a/Directory.Build.props
+++ b/Directory.Build.props
@@ -12,8 +12,8 @@
     <SolutionDir>$(MSBuildThisFileDirectory)</SolutionDir>
     <AccelerateBuildsInVisualStudio>true</AccelerateBuildsInVisualStudio>
 
-    <VersionFile>4.12.1</VersionFile>
-    <VersionPrefix>4.12.1</VersionPrefix>
+    <VersionFile>4.12.2</VersionFile>
+    <VersionPrefix>4.12.2</VersionPrefix>
     <VersionSuffix></VersionSuffix>
     <AssemblyVersion>$(VersionFile)</AssemblyVersion>
     <FileVersion>$(VersionFile)</FileVersion>
diff --git a/eng/pipelines/build-all-lib.yml b/eng/pipelines/build-all-lib.yml
index bb7477525c..946db4b931 100644
--- a/eng/pipelines/build-all-lib.yml
+++ b/eng/pipelines/build-all-lib.yml
@@ -131,7 +131,7 @@ extends:
         - task: UseDotNet@2
           displayName: 'Install .NET 9.0'
           inputs:
-            version: 9.0.x
+            version: 9.0.205
             includePreviewVersions: false
 
         - task: UseDotNet@2
diff --git a/eng/pipelines/build-core-lib.yml b/eng/pipelines/build-core-lib.yml
index b2133db87b..a79502508d 100644
--- a/eng/pipelines/build-core-lib.yml
+++ b/eng/pipelines/build-core-lib.yml
@@ -164,7 +164,7 @@ extends:
         - task: UseDotNet@2
           displayName: 'Install .NET 9.0'
           inputs:
-            version: 9.0.x
+            version: 9.0.205
             includePreviewVersions: false
 
         - task: UseDotNet@2
diff --git a/eng/pipelines/version.yml b/eng/pipelines/version.yml
index c5636248a7..f97bab3a55 100644
--- a/eng/pipelines/version.yml
+++ b/eng/pipelines/version.yml
@@ -2,5 +2,5 @@ variables:
   # File and Package version
   # dev  branch: 1.2.4-Preview-23282-1'    (PackageSuffix is always ignored in Dev branch)
   # main branch: 1.2.4-RC.1'               (PackageSuffix is ignored, if empty, in Main branch)
-  FileVersion: '4.12.1'   # Set the next final version here.
+  FileVersion: '4.12.2'   # Set the next final version here.
   PackageSuffix: ''