diff --git a/azure-pipelines-official.yml b/azure-pipelines-official.yml
index 4133d3d096..e24b9afe7d 100644
--- a/azure-pipelines-official.yml
+++ b/azure-pipelines-official.yml
@@ -243,6 +243,8 @@ extends:
                     --performanceTest
                   name: Test
                   displayName: Test
+                  env:
+                    DOTNET_ROOT: $(Build.SourcesDirectory)/.dotnet
 
                 # This step is only helpful for diagnosing some issues with vstest/test host that would not appear
                 # through the console or trx
diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index b10cc7ce90..b67f2305dc 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -191,6 +191,8 @@ stages:
             --performanceTest
           name: Test
           displayName: Test
+          env:
+            DOTNET_ROOT: $(Build.SourcesDirectory)/.dotnet
 
         # This step is only helpful for diagnosing some issues with vstest/test host that would not appear
         # through the console or trx
diff --git a/global.json b/global.json
index 6e5882e9e4..1125d41825 100644
--- a/global.json
+++ b/global.json
@@ -18,8 +18,8 @@
         "5.0.17",
         "6.0.32",
         "7.0.20",
-        "8.0.7",
-        "9.0.5"
+        "8.0.23",
+        "9.0.12"
       ],
       "dotnet/x86": [
         "2.1.30",
@@ -27,8 +27,8 @@
         "5.0.17",
         "6.0.32",
         "7.0.20",
-        "8.0.7",
-        "9.0.5"
+        "8.0.23",
+        "9.0.12"
       ]
     },
     "vs": {