diff --git a/gblocks/lilac.yaml b/gblocks/lilac.yaml
index 32da7b1f08..22b58ed702 100644
--- a/gblocks/lilac.yaml
+++ b/gblocks/lilac.yaml
@@ -3,7 +3,7 @@ maintainers:
   - github: starsareintherose
     email: starsareintherose@outlook.com
 update_on:
-  - regex: Gblocks_Linux_(\d+.\d+).tar.Z
+  - regex: Gblocks_Linux_(\d+.\w+).tar.Z
     source: regex
     url: http://molevol.cmima.csic.es/castresana/Gblocks.html