diff --git a/global.json b/global.json
index 43bb34912a..6858d4044d 100644
--- a/global.json
+++ b/global.json
@@ -1,4 +1,9 @@
 {
+  "sdk": {
+    "allowPrerelease": false,
+    "rollForward": "minor",
+    "version": "3.1.100"
+  },
   "msbuild-sdks": {
     "Microsoft.Build.Traversal": "2.0.24"
   }