diff --git a/gcc-toolset-15-gcc.spec b/gcc-toolset-15-gcc.spec
index a02ffee..285acfa 100644
--- a/gcc-toolset-15-gcc.spec
+++ b/gcc-toolset-15-gcc.spec
@@ -171,7 +171,7 @@ BuildRequires: gcc-toolset-%{gts_ver}-devel
 Summary: GCC version %{gcc_major}
 Name: %{?scl_prefix}gcc
 Version: %{gcc_version}
-Release: %{gcc_release}.3%{?dist}
+Release: %{gcc_release}.4%{?dist}
 # License notes for some of the less obvious ones:
 #   gcc/doc/cppinternals.texi: Linux-man-pages-copyleft-2-para
 #   isl: MIT, BSD-2-Clause
@@ -300,9 +300,7 @@ Requires: libgcc >= 4.1.2-43
 Requires: libgomp >= 4.4.4-13
 # lto-wrapper invokes make
 Requires: make
-%if %have_scl_utils
-%{?scl:Requires:%scl_runtime}
-%endif
+Requires: %{?scl_prefix}runtime >= %{gts_ver}.0
 AutoReq: true
 # Various libraries are imported.  #1859893 asks us to list them all.
 Provides: bundled(libiberty)
@@ -2912,6 +2910,9 @@ fi
 %endif
 
 %changelog
+* Fri Jun 20 2025 Siddhesh Poyarekar <siddhesh@redhat.com> 15.1.1-2.4
+- Require gcc-toolset-N-runtime (RHEL-94672)
+
 * Mon Jun 16 2025 Marek Polacek <polacek@redhat.com> 15.1.1-2.3
 - ship libstdc++.modules.json (RHEL-97043)
 - configure with --with-long-double-format=ieee (RHEL-97055)