diff --git a/Makefile b/Makefile
index 2f37dcb9b..347822d28 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,4 @@
-VERSION=5.1.8
+VERSION=5.1.9
 SRC=CHANGELOG inc conf utils index.php languages views op out controllers doc styles TODO LICENSE webdav install restapi pdfviewer
 # webapp