diff --git a/openexr.spec b/openexr.spec
index dd0583e..9179172 100644
--- a/openexr.spec
+++ b/openexr.spec
@@ -1,5 +1,5 @@
 Name:          openexr
-Version:       2.5.3
+Version:       2.5.4
 Release:       1mamba
 Summary:       A high dynamic-range (HDR) image file format for use in computer imaging applications.
 Group:         Applications/Graphics
@@ -144,6 +144,9 @@ This package contains static libraries and header files needed for development.
 %doc README.md
 
 %changelog
+* Mon Jan 04 2021 Automatic Build System <autodist@mambasoft.it> 2.5.4-1mamba
+- automatic version update by autodist
+
 * Mon Aug 17 2020 Automatic Build System <autodist@mambasoft.it> 2.5.3-1mamba
 - automatic version update by autodist