diff --git a/libglvnd.spec b/libglvnd.spec
index 204cac1..35ed0aa 100644
--- a/libglvnd.spec
+++ b/libglvnd.spec
@@ -1,5 +1,5 @@
 Name:          libglvnd
-Version:       1.3.3
+Version:       1.3.4
 Release:       1mamba
 Summary:       GL Vendor-Neutral Dispatch library
 Group:         System/Libraries
@@ -103,6 +103,9 @@ This package contains libraries and header files for developing applications tha
 %doc README.md
 
 %changelog
+* Wed Aug 25 2021 Automatic Build System <autodist@mambasoft.it> 1.3.4-1mamba
+- automatic version update by autodist
+
 * Sat May 01 2021 Automatic Build System <autodist@mambasoft.it> 1.3.3-1mamba
 - automatic version update by autodist