diff --git a/btrfs-progs.spec b/btrfs-progs.spec
index e6065ce..ce49ab8 100644
--- a/btrfs-progs.spec
+++ b/btrfs-progs.spec
@@ -1,5 +1,5 @@
 Name:          btrfs-progs
-Version:       4.20.2
+Version:       5.1
 Release:       1mamba
 Summary:       Userspace utilities for btrfs filesystem
 Group:         System/Kernel and Hardware
@@ -116,6 +116,9 @@ This package contains libraries and header files for developing applications tha
 %{_libdir}/libbtrfsutil.so
 
 %changelog
+* Tue May 21 2019 Automatic Build System <autodist@mambasoft.it> 5.1-1mamba
+- automatic version update by autodist
+
 * Thu Feb 28 2019 Automatic Build System <autodist@mambasoft.it> 4.20.2-1mamba
 - automatic version update by autodist