diff --git a/backend/plustek.c b/backend/plustek.c
index 770846db4..528dcf02d 100644
--- a/backend/plustek.c
+++ b/backend/plustek.c
@@ -158,7 +158,7 @@
 #include "../include/sane/sanei.h"
 #include "../include/sane/saneopts.h"
 
-#define BACKEND_VERSION "0.52-6"
+#define BACKEND_VERSION "0.52-7"
 
 #define BACKEND_NAME    plustek
 #include "../include/sane/sanei_access.h"