diff --git a/mixxx.spec b/mixxx.spec
index 9e32f32..a610e2b 100644
--- a/mixxx.spec
+++ b/mixxx.spec
@@ -1,6 +1,6 @@
 Name:          mixxx
 Version:       2.5.3
-Release:       1mamba
+Release:       2mamba
 Summary:       An open source DJ tool designed for both professional and amateur DJs alike
 Group:         Graphical Desktop/Applications/Multimedia
 Vendor:        openmamba
@@ -71,6 +71,7 @@ BuildRequires: qt6-qtdeclarative-devel
 BuildRequires: qt6-qtshadertools-devel
 BuildRequires: qt6-qtsvg-devel
 ## AUTOBUILDREQ-END
+BuildRequires: libprotobuf-devel >= 0:33.0-1mamba
 BuildRequires: libportmidi-devel >= 1:2.0.4-1mamba
 BuildRequires: librubberband-devel >= 4.0.0
 BuildRequires: cmake
@@ -123,6 +124,9 @@ Futhermore, Mixxx has a number of key features to help DJs in the mix: Beat esti
 %doc COPYING LICENSE
 
 %changelog
+* Fri Oct 17 2025 Automatic Build System <autodist@openmamba.org> 2.5.3-2mamba
+- rebuilt by autoport with build requirements: libprotobuf-devel>=0:33.0-1mamba
+
 * Thu Sep 04 2025 Automatic Build System <autodist@openmamba.org> 2.5.3-1mamba
 - automatic version update by autodist