diff --git a/include/linux/drbd.h b/include/linux/drbd.h
index 7944dd3..6853052 100644
--- a/include/linux/drbd.h
+++ b/include/linux/drbd.h
@@ -53,10 +53,10 @@
 
 
 extern const char *drbd_buildtag(void);
-#define REL_VERSION "8.3.7"
+#define REL_VERSION "8.3.8rc1"
 #define API_VERSION 88
 #define PRO_VERSION_MIN 86
-#define PRO_VERSION_MAX 93
+#define PRO_VERSION_MAX 94
 
 
 enum drbd_io_error_p {