diff --git a/gluon b/gluon
index f83d6764424910bd2a154d80c0d7cda4d52ba382..b847e1f9a4a0c1166667ef06843d339869c3e8c6 160000
--- a/gluon
+++ b/gluon
@@ -1 +1 @@
-Subproject commit f83d6764424910bd2a154d80c0d7cda4d52ba382
+Subproject commit b847e1f9a4a0c1166667ef06843d339869c3e8c6
diff --git a/site.mk b/site.mk
index be93c458c8122c4c61c6cf25804055d6d7f5e4aa..e5d179809c308cc282d2f834a6fa82779de87cd4 100644
--- a/site.mk
+++ b/site.mk
@@ -83,7 +83,7 @@ DEFAULT_BUILD_DATE := $(shell date '+%Y-%m-%d')
 
 BUILD_DATE ?= $(DEFAULT_BUILD_DATE)
 
-DEFAULT_GLUON_RELEASE := 1.8+$(BUILD_DATE)-g.$(shell git -C $(GLUON_SITEDIR)/gluon log --pretty=format:'%h' -n 1)-s.$(shell git -C $(GLUON_SITEDIR) log --pretty=format:'%h' -n 1)
+DEFAULT_GLUON_RELEASE := 1.9+$(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