diff --git a/.vsts-ci.yml b/.vsts-ci.yml
index 8e4f528e5..3fd03fcc1 100644
--- a/.vsts-ci.yml
+++ b/.vsts-ci.yml
@@ -64,8 +64,8 @@ extends:
         image: mcr.microsoft.com/dotnet-buildtools/prereqs:fedora-39
       ubuntu2204:
         image: mcr.microsoft.com/dotnet-buildtools/prereqs:ubuntu-22.04
-      ubuntu2204CrossArmAlpine:
-        image: mcr.microsoft.com/dotnet-buildtools/prereqs:ubuntu-22.04-cross-arm-alpine
+      mariner20CrossArm:
+        image: mcr.microsoft.com/dotnet-buildtools/prereqs:mariner-2.0-cross-arm
       ubuntu2204DebPkg:
         image: mcr.microsoft.com/dotnet-buildtools/prereqs:ubuntu-22.04-debpkg
     sdl:
@@ -233,7 +233,7 @@ extends:
           parameters:
             agentOs: Linux
             jobName: Build_Linux_musl_Release_arm
-            container: ubuntu2204CrossArmAlpine
+            container: mariner20CrossArm
             buildConfiguration: Release
             buildArchitecture: arm
             runtimeIdentifier: 'linux-musl-arm'
diff --git a/.vsts-pr.yml b/.vsts-pr.yml
index 2a762dd9a..012166861 100644
--- a/.vsts-pr.yml
+++ b/.vsts-pr.yml
@@ -203,7 +203,7 @@ stages:
       parameters:
         agentOs: Linux
         jobName: Build_Linux_musl_Release_arm
-        container: 'mcr.microsoft.com/dotnet-buildtools/prereqs:ubuntu-22.04-cross-arm-alpine'
+        container: 'mcr.microsoft.com/dotnet-buildtools/prereqs:mariner-2.0-cross-arm'
         buildConfiguration: Release
         buildArchitecture: arm
         runtimeIdentifier: 'linux-musl-arm'
diff --git a/eng/pipelines/templates/stages/vmr-build.yml b/eng/pipelines/templates/stages/vmr-build.yml
index 43f0c8633..51597c437 100644
--- a/eng/pipelines/templates/stages/vmr-build.yml
+++ b/eng/pipelines/templates/stages/vmr-build.yml
@@ -13,7 +13,7 @@ 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
+  alpine319Container: mcr.microsoft.com/dotnet-buildtools/prereqs:alpine-3.19
   centOSStream8Container: mcr.microsoft.com/dotnet-buildtools/prereqs:centos-stream8
   centOSStream9Container: mcr.microsoft.com/dotnet-buildtools/prereqs:centos-stream9
   fedora38Container: mcr.microsoft.com/dotnet-buildtools/prereqs:fedora-38
@@ -112,14 +112,14 @@ stages:
     - template: ../jobs/vmr-build.yml
       parameters:
         # Changing the build name requires updating the referenced name in the source-build-sdk-diff-tests.yml pipeline
-        buildName: Alpine317_Offline_MsftSdk
+        buildName: Alpine319_Offline_MsftSdk
         isBuiltFromVmr: ${{ parameters.isBuiltFromVmr }}
         vmrBranch: ${{ variables.VmrBranch }}
         architecture: x64
         pool:
           name: ${{ variables.defaultPoolName }}
           demands: ${{ variables.defaultPoolDemands }}
-        container: ${{ parameters.alpine317Container }}
+        container: ${{ parameters.alpine319Container }}
         buildFromArchive: false            # ✅
         enablePoison: false                # 🚫
         excludeOmniSharpTests: true        # ✅
diff --git a/src/SourceBuild/content/eng/pipelines/source-build-sdk-diff-tests.yml b/src/SourceBuild/content/eng/pipelines/source-build-sdk-diff-tests.yml
index 36eed8cbd..4e49c7fa8 100644
--- a/src/SourceBuild/content/eng/pipelines/source-build-sdk-diff-tests.yml
+++ b/src/SourceBuild/content/eng/pipelines/source-build-sdk-diff-tests.yml
@@ -1,6 +1,6 @@
 schedules:
-- cron: "0 11 * * 1-5"
-  displayName: Run on weekdays at 11am UTC
+- cron: "0 11 * * 1-5"
+  displayName: Run on weekdays at 11am UTC
   branches:
     include:
     - main
@@ -47,8 +47,8 @@ jobs:
 
 - template: templates/jobs/sdk-diff-tests.yml
   parameters:
-    buildName: Alpine317_Offline_MsftSdk
-    targetRid: alpine.3.17-x64
+    buildName: Alpine319_Offline_MsftSdk
+    targetRid: alpine.3.19-x64
     architecture: x64
     dotnetDotnetRunId: ${{ parameters.dotnetDotnetRunId }}