diff --git a/src/global.json b/src/global.json
index b0527e3c5..d60e5d936 100644
--- a/src/global.json
+++ b/src/global.json
@@ -3,7 +3,8 @@
         "MSBuild.Sdk.Extras": "3.0.44"
     },
     "sdk": {
-        "version": "9.0.300",
-        "rollForward": "latestPatch"
+        "version": "8.0.400",
+        "rollForward": "latestPatch",
+        "workloadVersion": "8.0.421"
     }
-}
\ No newline at end of file
+}