diff --git a/G/GAP_pkg/GAP_pkg_kbmag/build_tarballs.jl b/G/GAP_pkg/GAP_pkg_kbmag/build_tarballs.jl
index e00dc88b136..55be215e377 100644
--- a/G/GAP_pkg/GAP_pkg_kbmag/build_tarballs.jl
+++ b/G/GAP_pkg/GAP_pkg_kbmag/build_tarballs.jl
@@ -4,7 +4,7 @@ include("../common.jl")
 
 name = "kbmag"
 upstream_version = "1.5.11" # when you increment this, reset offset to v"0.0.0"
-offset = v"0.0.1" # increment this when rebuilding with unchanged upstream_version
+offset = v"1.0.0" # increment this when rebuilding with unchanged upstream_version
 version = offset_version(upstream_version, offset)
 
 # This package only produces an executable and does not need GAP for this at all.
@@ -101,3 +101,4 @@ products = [
 build_tarballs(ARGS, name, version, sources, script, platforms, products, dependencies;
                julia_compat="1.10", preferred_gcc_version=v"7")
 
+# rebuild trigger: 1