diff --git a/version.json b/version.json
index 2ffb03f..4a46fd2 100644
--- a/version.json
+++ b/version.json
@@ -1,6 +1,6 @@
 {
   "$schema": "https://raw.githubusercontent.com/dotnet/Nerdbank.GitVersioning/master/src/NerdBank.GitVersioning/version.schema.json",
-  "version": "1.0.0-alpha",
+  "version": "1.0.0-alpha.{height}",
   "publicReleaseRefSpec": [
     "^refs/heads/master$",
     "^refs/heads/v\\d+(?:\\.\\d+)?$"