diff --git a/src/main/scala/gs/CalVer.scala b/src/main/scala/gs/CalVer.scala
index b76ef45..e5b4b8d 100644
--- a/src/main/scala/gs/CalVer.scala
+++ b/src/main/scala/gs/CalVer.scala
@@ -68,6 +68,7 @@ object CalVer {
         .addDelimiter(Delimiter.Dot)
         .addComponent(Component.DD)
         .addDelimiter(Delimiter.Hyphen)
+        .addComponent(Component.Label("v"))
         .addComponent(Component.GitSha(7))
         .addDelimiter(Delimiter.Hyphen)
         .addComponent(Component.Label("SNAPSHOT"))