diff --git a/spdlog.spec b/spdlog.spec
index bfbcb4f..5f9bcd7 100644
--- a/spdlog.spec
+++ b/spdlog.spec
@@ -1,5 +1,5 @@
 Name:          spdlog
-Version:       1.9.0
+Version:       1.9.1
 Release:       1mamba
 Summary:       Fast C++ logging library
 Group:         System/Libraries
@@ -70,6 +70,9 @@ This package contains libraries and header files for developing applications tha
 %doc README.md
 
 %changelog
+* Wed Jul 28 2021 Automatic Build System <autodist@mambasoft.it> 1.9.1-1mamba
+- automatic version update by autodist
+
 * Wed Jul 21 2021 Automatic Build System <autodist@mambasoft.it> 1.9.0-1mamba
 - automatic version update by autodist