diff --git a/eng/common/templates/jobs/source-build.yml b/eng/common/templates/jobs/source-build.yml
index 8dd2d355f..a15b07eb5 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-stream8-20220809204800-17a4aab'
+    container: 'mcr.microsoft.com/dotnet-buildtools/prereqs:centos-stream8'
 
   # 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/src/SourceBuild/Arcade/eng/common/templates/job/source-build-create-tarball.yml b/src/SourceBuild/Arcade/eng/common/templates/job/source-build-create-tarball.yml
index ac6d73016..347f61cf8 100644
--- a/src/SourceBuild/Arcade/eng/common/templates/job/source-build-create-tarball.yml
+++ b/src/SourceBuild/Arcade/eng/common/templates/job/source-build-create-tarball.yml
@@ -2,7 +2,7 @@
 
 jobs:
 - job: Source_Build_Create_Tarball
-  container: mcr.microsoft.com/dotnet-buildtools/prereqs:fedora-33-20210222183538-031e7d2
+  container: mcr.microsoft.com/dotnet-buildtools/prereqs:fedora-38
   displayName: Source-Build Create Tarball
   pool:
     ${{ if eq(variables['System.TeamProject'], 'public') }}:
diff --git a/src/SourceBuild/Arcade/eng/common/templates/job/source-build-run-tarball-build.yml b/src/SourceBuild/Arcade/eng/common/templates/job/source-build-run-tarball-build.yml
index 97a672d02..5fe6c56ce 100644
--- a/src/SourceBuild/Arcade/eng/common/templates/job/source-build-run-tarball-build.yml
+++ b/src/SourceBuild/Arcade/eng/common/templates/job/source-build-run-tarball-build.yml
@@ -9,12 +9,12 @@ parameters:
 
   # The following parameters aren't expected to be passed in rather they are used for encapsulation
   # -----------------------------------------------------------------------------------------------
-  alpine317Container: mcr.microsoft.com/dotnet-buildtools/prereqs:alpine-3.17-20230214152931-7f13c75
-  centOSStream8Container: mcr.microsoft.com/dotnet-buildtools/prereqs:centos-stream8-20220809204800-17a4aab
+  alpine317Container: mcr.microsoft.com/dotnet-buildtools/prereqs:alpine-3.17
+  centOSStream8Container: mcr.microsoft.com/dotnet-buildtools/prereqs:centos-stream8
   centOSStream9Container: mcr.microsoft.com/dotnet-buildtools/prereqs:centos-stream9-20220107135047-4cd394c
-  debian11Arm64Container: mcr.microsoft.com/dotnet-buildtools/prereqs:debian-11-arm64v8-20220812185233-b286fae
-  fedora38Container: mcr.microsoft.com/dotnet-buildtools/prereqs:fedora-38-20230609193134-47458d2
-  ubuntu2004Container: mcr.microsoft.com/dotnet-buildtools/prereqs:ubuntu-20.04-20220813234344-4c008dd
+  debian11Arm64Container: mcr.microsoft.com/dotnet-buildtools/prereqs:debian-11-arm64v8
+  fedora38Container: mcr.microsoft.com/dotnet-buildtools/prereqs:fedora-38
+  ubuntu2004Container: mcr.microsoft.com/dotnet-buildtools/prereqs:ubuntu-20.04
   poolInternalAmd64:
     name: NetCore1ESPool-Svc-Internal
     demands: ImageOverride -equals Build.Ubuntu.1804.Amd64
diff --git a/src/SourceBuild/tarball/content/eng/pipelines/security-partners-dotnet.yml b/src/SourceBuild/tarball/content/eng/pipelines/security-partners-dotnet.yml
deleted file mode 100644
index 02641873b..000000000
--- a/src/SourceBuild/tarball/content/eng/pipelines/security-partners-dotnet.yml
+++ /dev/null
@@ -1,32 +0,0 @@
-trigger: none
-
-variables:
-- name: cfsNPMWarnLevel
-  value: none
-
-- name: cfsNugetWarnLevel
-  value: none
-
-- name: myGetWarnLevel
-  value: none
-
-- name: NuGetSecurityAnalysisWarningLevel
-  value: none
-
-jobs:
-- template: ../../src/installer/src/SourceBuild/Arcade/eng/common/templates/job/source-build-build-tarball.yml
-  parameters:
-    architecture: x64
-    excludeSdkContentTests: true
-    matrix:
-      Ubuntu2004-Offline:
-        _BootstrapPrep: true
-        _Container: mcr.microsoft.com/dotnet-buildtools/prereqs:ubuntu-20.04-20220813234344-4c008dd
-        _EnablePoison: false
-        _ExcludeOmniSharpTests: false
-        _RunOnline: false
-        _WithPreviousSDK: false
-    name: Build_Tarball_x64
-    pool:
-      name: NetCore1ESPool-Svc-Internal
-      demands: ImageOverride -equals Build.Ubuntu.1804.Amd64