diff --git a/kio.spec b/kio.spec
index ccd58a5..c8e77c0 100644
--- a/kio.spec
+++ b/kio.spec
@@ -2,7 +2,7 @@
 
 Name:          kio
 Version:       5.115.0
-Release:       1mamba
+Release:       2mamba
 Summary:       Network transparent access to files and data
 Group:         System/Libraries
 Vendor:        openmamba
@@ -86,7 +86,9 @@ This package contains libraries and header files for developing applications tha
 %setup -q
 
 %build
-%cmake_kde5 -d build
+%cmake_kde5 -d build \
+   -DKF6_COMPAT_BUILD=ON
+
 %make
 
 %install
@@ -149,6 +151,9 @@ This package contains libraries and header files for developing applications tha
 %doc README.md
 
 %changelog
+* Sat Mar 09 2024 Silvan Calarco <silvan.calarco@mambasoft.it> 5.115.0-2mamba
+- rebuilt with -DKF6_COMPAT_BUILD=ON for coinstallability with kf6
+
 * Mon Feb 12 2024 Automatic Build System <autodist@openmamba.org> 5.115.0-1mamba
 - automatic version update by autodist