diff --git a/.github/workflows/on-tag.yml b/.github/workflows/on-tag.yml
index 94ed276..9caebad 100644
--- a/.github/workflows/on-tag.yml
+++ b/.github/workflows/on-tag.yml
@@ -7,7 +7,7 @@ env:
         #   \3 => ignore    (captures dot, and last number-group in version)
         #   \4 => VARIANT   VARIANT
         #   \5 => BUILD     N
-        TAG_FMT: '^refs/tags/(((.?[0-9]+){3,4}))$'
+       TAG_FMT: '^refs/tags/((v(.?[0-9]+){3,4})-?([^+]+)?\+build([0-9]+))$'
 
 on:
         push: