diff --git a/README.rst b/README.rst
index c042789..2ab833a 100644
--- a/README.rst
+++ b/README.rst
@@ -14,6 +14,10 @@ Requires
 Changes
 =======
 
+*6.8.7 - 18.12.2024*
+
+- optimize pdf-generate
+
 *6.8.6 - 11.12.2024*
 
 - re-create invoice-report if not pdf and zugferd-export
diff --git a/tryton.cfg b/tryton.cfg
index 5dd427a..68b561d 100644
--- a/tryton.cfg
+++ b/tryton.cfg
@@ -1,5 +1,5 @@
 [tryton]
-version=6.8.6
+version=6.8.7
 depends:
     account_invoice
     bank
diff --git a/versiondep.txt b/versiondep.txt
index cf14d35..f853a4d 100644
--- a/versiondep.txt
+++ b/versiondep.txt
@@ -1 +1 @@
-edocument_xrechnung;6.8.9;6.8.999;mds
+edocument_xrechnung;6.8.10;6.8.999;mds