diff --git a/NuGet.config b/NuGet.config
index ec8464124ac..77b2bf048ad 100644
--- a/NuGet.config
+++ b/NuGet.config
@@ -4,9 +4,6 @@
     <clear />
     <!--Begin: Package sources managed by Dependency Flow automation. Do not edit the sources below.-->
     <!--  Begin: Package sources from dotnet-runtime -->
-    <add key="darc-int-dotnet-runtime-50c4cb9" value="https://pkgs.dev.azure.com/dnceng/internal/_packaging/darc-int-dotnet-runtime-50c4cb9f/nuget/v3/index.json" />
-    <add key="darc-int-dotnet-runtime-50c4cb9-2" value="https://pkgs.dev.azure.com/dnceng/internal/_packaging/darc-int-dotnet-runtime-50c4cb9f-2/nuget/v3/index.json" />
-    <add key="darc-int-dotnet-runtime-50c4cb9-1" value="https://pkgs.dev.azure.com/dnceng/internal/_packaging/darc-int-dotnet-runtime-50c4cb9f-1/nuget/v3/index.json" />
     <!--  End: Package sources from dotnet-runtime -->
     <!--End: Package sources managed by Dependency Flow automation. Do not edit the sources above.-->
     <add key="dotnet-eng" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-eng/nuget/v3/index.json" />
@@ -21,9 +18,6 @@
     <clear />
     <!--Begin: Package sources managed by Dependency Flow automation. Do not edit the sources below.-->
     <!--  Begin: Package sources from dotnet-runtime -->
-    <add key="darc-int-dotnet-runtime-50c4cb9-1" value="true" />
-    <add key="darc-int-dotnet-runtime-50c4cb9-2" value="true" />
-    <add key="darc-int-dotnet-runtime-50c4cb9" value="true" />
     <!--  End: Package sources from dotnet-runtime -->
     <!--End: Package sources managed by Dependency Flow automation. Do not edit the sources above.-->
   </disabledPackageSources>
diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index 3ec3bc94ab6..2c582c662bd 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -60,17 +60,17 @@
     </Dependency>
   </ProductDependencies>
   <ToolsetDependencies>
-    <Dependency Name="Microsoft.DotNet.Arcade.Sdk" Version="8.0.0-beta.25208.7">
+    <Dependency Name="Microsoft.DotNet.Arcade.Sdk" Version="8.0.0-beta.25263.4">
       <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>c7a36e53f91e41943746f97a8c183549364c5092</Sha>
+      <Sha>20ab70a74d52b68f4271bd946884e24049b14f83</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.Build.Tasks.Templating" Version="8.0.0-beta.25208.7">
+    <Dependency Name="Microsoft.DotNet.Build.Tasks.Templating" Version="8.0.0-beta.25263.4">
       <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>c7a36e53f91e41943746f97a8c183549364c5092</Sha>
+      <Sha>20ab70a74d52b68f4271bd946884e24049b14f83</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.Helix.Sdk" Version="8.0.0-beta.25208.7">
+    <Dependency Name="Microsoft.DotNet.Helix.Sdk" Version="8.0.0-beta.25263.4">
       <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>c7a36e53f91e41943746f97a8c183549364c5092</Sha>
+      <Sha>20ab70a74d52b68f4271bd946884e24049b14f83</Sha>
     </Dependency>
   </ToolsetDependencies>
 </Dependencies>
diff --git a/eng/Versions.props b/eng/Versions.props
index e0e31facadb..5c71a0e53c1 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -33,7 +33,7 @@
     <MicrosoftNETCoreBrowserDebugHostTransportVersion>8.0.15-servicing.25164.13</MicrosoftNETCoreBrowserDebugHostTransportVersion>
   </PropertyGroup>
   <PropertyGroup Label="Dependencies from dotnet/arcade">
-    <MicrosoftDotNetBuildTasksTemplatingVersion>8.0.0-beta.25208.7</MicrosoftDotNetBuildTasksTemplatingVersion>
+    <MicrosoftDotNetBuildTasksTemplatingVersion>8.0.0-beta.25263.4</MicrosoftDotNetBuildTasksTemplatingVersion>
   </PropertyGroup>
   <PropertyGroup Label="Other dependencies">
     <!-- NB: This version affects Visual Studio compatibility. See https://learn.microsoft.com/visualstudio/extensibility/roslyn-version-support -->
diff --git a/eng/common/sdl/packages.config b/eng/common/sdl/packages.config
index 4585cfd6bba..e5f543ea68c 100644
--- a/eng/common/sdl/packages.config
+++ b/eng/common/sdl/packages.config
@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="Microsoft.Guardian.Cli" version="0.109.0"/>
+  <package id="Microsoft.Guardian.Cli" version="0.199.0"/>
 </packages>
diff --git a/eng/common/templates-official/job/source-build.yml b/eng/common/templates-official/job/source-build.yml
index f983033bb02..4217d6d8b14 100644
--- a/eng/common/templates-official/job/source-build.yml
+++ b/eng/common/templates-official/job/source-build.yml
@@ -54,7 +54,7 @@ jobs:
     pool:
       ${{ if eq(variables['System.TeamProject'], 'public') }}:
         name: $[replace(replace(eq(contains(coalesce(variables['System.PullRequest.TargetBranch'], variables['Build.SourceBranch'], 'refs/heads/main'), 'release'), 'true'), True, 'NetCore-Svc-Public' ), False, 'NetCore-Public')]
-        demands: ImageOverride -equals Build.Ubuntu.1804.Amd64.Open
+        demands: ImageOverride -equals Build.Ubuntu.2204.Amd64.Open
 
       ${{ if eq(variables['System.TeamProject'], 'internal') }}:
         name: $[replace(replace(eq(contains(coalesce(variables['System.PullRequest.TargetBranch'], variables['Build.SourceBranch'], 'refs/heads/main'), 'release'), 'true'), True, 'NetCore1ESPool-Svc-Internal'), False, 'NetCore1ESPool-Internal')]
diff --git a/eng/common/templates-official/job/source-index-stage1.yml b/eng/common/templates-official/job/source-index-stage1.yml
index 60dfb6b2d1c..fb632b71a25 100644
--- a/eng/common/templates-official/job/source-index-stage1.yml
+++ b/eng/common/templates-official/job/source-index-stage1.yml
@@ -1,7 +1,7 @@
 parameters:
   runAsPublic: false
-  sourceIndexUploadPackageVersion: 2.0.0-20240502.12
-  sourceIndexProcessBinlogPackageVersion: 1.0.1-20240129.2
+  sourceIndexUploadPackageVersion: 2.0.0-20250425.2
+  sourceIndexProcessBinlogPackageVersion: 1.0.1-20250425.2
   sourceIndexPackageSource: https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-tools/nuget/v3/index.json
   sourceIndexBuildCommand: powershell -NoLogo -NoProfile -ExecutionPolicy Bypass -Command "eng/common/build.ps1 -restore -build -binarylog -ci"
   preSteps: []
diff --git a/eng/common/templates-official/jobs/source-build.yml b/eng/common/templates-official/jobs/source-build.yml
index 5cf6a269c0b..b9247be1547 100644
--- a/eng/common/templates-official/jobs/source-build.yml
+++ b/eng/common/templates-official/jobs/source-build.yml
@@ -14,7 +14,7 @@ parameters:
   # This is the default platform provided by Arcade, intended for use by a managed-only repo.
   defaultManagedPlatform:
     name: 'Managed'
-    container: 'mcr.microsoft.com/dotnet-buildtools/prereqs:centos-stream8'
+    container: 'mcr.microsoft.com/dotnet-buildtools/prereqs:centos-stream-9-amd64'
 
   # Defines the platforms on which to run build jobs. One job is created for each platform, and the
   # object in this array is sent to the job template as 'platform'. If no platforms are specified,
diff --git a/eng/common/templates/job/source-build.yml b/eng/common/templates/job/source-build.yml
index c0ff472b697..c48f95d93d9 100644
--- a/eng/common/templates/job/source-build.yml
+++ b/eng/common/templates/job/source-build.yml
@@ -54,11 +54,11 @@ jobs:
     pool:
       ${{ if eq(variables['System.TeamProject'], 'public') }}:
         name: $[replace(replace(eq(contains(coalesce(variables['System.PullRequest.TargetBranch'], variables['Build.SourceBranch'], 'refs/heads/main'), 'release'), 'true'), True, 'NetCore-Svc-Public' ), False, 'NetCore-Public')]
-        demands: ImageOverride -equals Build.Ubuntu.1804.Amd64.Open
+        demands: ImageOverride -equals Build.Ubuntu.2204.Amd64.Open
 
       ${{ if eq(variables['System.TeamProject'], 'internal') }}:
         name: $[replace(replace(eq(contains(coalesce(variables['System.PullRequest.TargetBranch'], variables['Build.SourceBranch'], 'refs/heads/main'), 'release'), 'true'), True, 'NetCore1ESPool-Svc-Internal'), False, 'NetCore1ESPool-Internal')]
-        demands: ImageOverride -equals Build.Ubuntu.1804.Amd64
+        demands: ImageOverride -equals Build.Ubuntu.2204.Amd64
 
   ${{ if ne(parameters.platform.pool, '') }}:
     pool: ${{ parameters.platform.pool }}
diff --git a/eng/common/templates/job/source-index-stage1.yml b/eng/common/templates/job/source-index-stage1.yml
index 0b6bb89dc78..8538f44bab2 100644
--- a/eng/common/templates/job/source-index-stage1.yml
+++ b/eng/common/templates/job/source-index-stage1.yml
@@ -1,7 +1,7 @@
 parameters:
   runAsPublic: false
-  sourceIndexUploadPackageVersion: 2.0.0-20240502.12
-  sourceIndexProcessBinlogPackageVersion: 1.0.1-20240129.2
+  sourceIndexUploadPackageVersion: 2.0.0-20250425.2
+  sourceIndexProcessBinlogPackageVersion: 1.0.1-20250425.2
   sourceIndexPackageSource: https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-tools/nuget/v3/index.json
   sourceIndexBuildCommand: powershell -NoLogo -NoProfile -ExecutionPolicy Bypass -Command "eng/common/build.ps1 -restore -build -binarylog -ci"
   preSteps: []
diff --git a/eng/common/templates/jobs/source-build.yml b/eng/common/templates/jobs/source-build.yml
index 5f46bfa895c..3ec99710810 100644
--- a/eng/common/templates/jobs/source-build.yml
+++ b/eng/common/templates/jobs/source-build.yml
@@ -14,7 +14,7 @@ parameters:
   # This is the default platform provided by Arcade, intended for use by a managed-only repo.
   defaultManagedPlatform:
     name: 'Managed'
-    container: 'mcr.microsoft.com/dotnet-buildtools/prereqs:centos-stream8'
+    container: 'mcr.microsoft.com/dotnet-buildtools/prereqs:centos-stream-9-amd64'
 
   # Defines the platforms on which to run build jobs. One job is created for each platform, and the
   # object in this array is sent to the job template as 'platform'. If no platforms are specified,
diff --git a/global.json b/global.json
index d1843569289..59a75ab3972 100644
--- a/global.json
+++ b/global.json
@@ -1,11 +1,11 @@
 {
   "sdk": {
-    "version": "8.0.115",
+    "version": "8.0.116",
     "allowPrerelease": true,
     "rollForward": "latestMajor"
   },
   "tools": {
-    "dotnet": "8.0.115",
+    "dotnet": "8.0.116",
     "runtimes": {
       "dotnet": [
         "$(MicrosoftNETCoreBrowserDebugHostTransportVersion)"
@@ -13,7 +13,7 @@
     }
   },
   "msbuild-sdks": {
-    "Microsoft.DotNet.Arcade.Sdk": "8.0.0-beta.25208.7",
-    "Microsoft.DotNet.Helix.Sdk": "8.0.0-beta.25208.7"
+    "Microsoft.DotNet.Arcade.Sdk": "8.0.0-beta.25263.4",
+    "Microsoft.DotNet.Helix.Sdk": "8.0.0-beta.25263.4"
   }
 }