diff --git a/gluon b/gluon
index c79ef2f0703712bd8763edaa54c6cbeac17ed430..7b3b0e0ba8c2643ecaa10bb90e3d83be74014290 160000
--- a/gluon
+++ b/gluon
@@ -1 +1 @@
-Subproject commit c79ef2f0703712bd8763edaa54c6cbeac17ed430
+Subproject commit 7b3b0e0ba8c2643ecaa10bb90e3d83be74014290
diff --git a/site.mk b/site.mk
index 42b4059e42741a604b350939b60477b0b08188f7..d726229a425829c8ea2e6df4b26e54e0f2bbe930 100644
--- a/site.mk
+++ b/site.mk
@@ -85,7 +85,7 @@ DEFAULT_BUILD_DATE := $(shell date '+%Y-%m-%d')
 
 FFS_BUILD_DATE ?= $(DEFAULT_BUILD_DATE)
 
-DEFAULT_GLUON_RELEASE := 2.5+$(FFS_BUILD_DATE)-g.$(shell git -C $(GLUON_SITEDIR)/gluon log --pretty=format:'%h' -n 1)-s.$(shell git -C $(GLUON_SITEDIR) log --pretty=format:'%h' -n 1)
+DEFAULT_GLUON_RELEASE := 2.5.1+$(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