diff --git a/build-system/azure-pipeline.mntr-template.yaml b/build-system/azure-pipeline.mntr-template.yaml
index 92f1636bc17..28ede81ebda 100644
--- a/build-system/azure-pipeline.mntr-template.yaml
+++ b/build-system/azure-pipeline.mntr-template.yaml
@@ -17,9 +17,9 @@ jobs:
       vmImage: ${{ parameters.vmImage }}
     steps:
       - task: UseDotNet@2
-        displayName: 'Use .NET 8 SDK 8.0.100'
+        displayName: 'Use .NET 8 SDK 8.0.402'
         inputs:
-          version: 8.0.100
+          version: 8.0.402
       - task: Bash@3 
         displayName: Linux / OSX Build
         inputs:
diff --git a/build-system/azure-pipeline.template.yaml b/build-system/azure-pipeline.template.yaml
index 25125948093..44a7aee5ba0 100644
--- a/build-system/azure-pipeline.template.yaml
+++ b/build-system/azure-pipeline.template.yaml
@@ -24,9 +24,9 @@ jobs:
         value: true
     steps:
       - task: UseDotNet@2
-        displayName: 'Use .NET 8 SDK 8.0.100'
+        displayName: 'Use .NET 8 SDK 8.0.402'
         inputs:
-          version: 8.0.100
+          version: 8.0.402
       - task: Bash@3 
         displayName: Linux / OSX Build
         inputs:
diff --git a/build-system/nightly-builds.yaml b/build-system/nightly-builds.yaml
index 907ebaa9cf5..3688e32913e 100644
--- a/build-system/nightly-builds.yaml
+++ b/build-system/nightly-builds.yaml
@@ -20,9 +20,9 @@ variables:
 
 steps:
 - task: UseDotNet@2
-  displayName: 'Use .NET 8 SDK 8.0.100'
+  displayName: 'Use .NET 8 SDK 8.0.402'
   inputs:
-    version: 8.0.100
+    version: 8.0.402
 - task: BatchScript@1
   displayName: 'FAKE Build'
   inputs:
diff --git a/build-system/pr-validation.yaml b/build-system/pr-validation.yaml
index 1901b7d5764..af5413f058b 100644
--- a/build-system/pr-validation.yaml
+++ b/build-system/pr-validation.yaml
@@ -62,9 +62,9 @@ jobs:
         submodules: recursive # set to 'true' for a single level of submodules or 'recursive' to get submodules of submodules
         persistCredentials: true
       - task: UseDotNet@2
-        displayName: "Use .NET 8 SDK 8.0.100"
+        displayName: "Use .NET 8 SDK 8.0.402"
         inputs:
-          version: 8.0.100
+          version: 8.0.402
       - task: BatchScript@1
         displayName: Windows Build
         inputs:
diff --git a/build-system/windows-release.yaml b/build-system/windows-release.yaml
index 143e7611dd5..0c33afe2431 100644
--- a/build-system/windows-release.yaml
+++ b/build-system/windows-release.yaml
@@ -23,9 +23,9 @@ variables:
     value: akkadotnet/akka.net
 steps:
 - task: UseDotNet@2
-  displayName: 'Use .NET 8 SDK 8.0.100'
+  displayName: 'Use .NET 8 SDK 8.0.402'
   inputs:
-    version: 8.0.100
+    version: 8.0.402
 - task: BatchScript@1
   displayName: 'FAKE Build'
   inputs: