diff --git a/.github/workflows/run-tests-linux.yml b/.github/workflows/run-tests-linux.yml
index 77662f30b..8a0e92951 100644
--- a/.github/workflows/run-tests-linux.yml
+++ b/.github/workflows/run-tests-linux.yml
@@ -24,7 +24,7 @@ jobs:
         uses: actions/setup-dotnet@v3
         with:
           dotnet-version: |
-            7.0.305
+            6.0.411
             7.0.100
 
       - name: Download dotnet build-script tools
diff --git a/.github/workflows/run-tests-macos.yml b/.github/workflows/run-tests-macos.yml
index e6dd31ba0..291900b82 100644
--- a/.github/workflows/run-tests-macos.yml
+++ b/.github/workflows/run-tests-macos.yml
@@ -24,7 +24,7 @@ jobs:
         uses: actions/setup-dotnet@v3
         with:
           dotnet-version: |
-            7.0.305
+            6.0.411
             7.0.100
 
       - name: Download dotnet build-script tools
diff --git a/.github/workflows/run-tests-windows.yml b/.github/workflows/run-tests-windows.yml
index 267e4b831..e2b28760d 100644
--- a/.github/workflows/run-tests-windows.yml
+++ b/.github/workflows/run-tests-windows.yml
@@ -24,7 +24,7 @@ jobs:
         uses: actions/setup-dotnet@v3
         with:
           dotnet-version: |
-            7.0.305
+            6.0.411
             7.0.100
 
       - name: Download dotnet build-script tools
diff --git a/global.json b/global.json
index 5e4624ef9..c71ab782e 100644
--- a/global.json
+++ b/global.json
@@ -1,6 +1,6 @@
 {
   "sdk": {
-    "version": "7.0.305",
+    "version": "6.0.411",
     "rollForward": "disable"
   }
 }