diff --git a/site.mk b/site.mk
index e2aa7866c1da33115d71f48c8bf6d58cf5fc12e2..3a48489fe4f4e66a51d2fdec1610eef12daeed74 100644
--- a/site.mk
+++ b/site.mk
@@ -90,7 +90,7 @@ DEFAULT_BUILD_DATE := $(shell date '+%Y-%m-%d')
 
 FFS_BUILD_DATE ?= $(DEFAULT_BUILD_DATE)
 
-DEFAULT_GLUON_RELEASE := 2.8+$(FFS_BUILD_DATE)-g.$(shell git -C $(GLUON_SITEDIR)/gluon log --pretty=format:'%h' -n 1)-s.$(shell git -C $(GLUON_SITEDIR) log --pretty=format:'%h' -n 1)
+DEFAULT_GLUON_RELEASE := experimental+$(FFS_BUILD_DATE)-g.$(shell git -C $(GLUON_SITEDIR)/gluon log --pretty=format:'%h' -n 1)-s.$(shell git -C $(GLUON_SITEDIR) log --pretty=format:'%h' -n 1)
 
 GLUON_LANGS := de en