diff --git a/kernel.spec b/kernel.spec
index 3a1eb78..8e8d241 100644
--- a/kernel.spec
+++ b/kernel.spec
@@ -38,10 +38,10 @@
 # define buildid .local
 
 %define specversion 4.18.0
-%define pkgrelease 553.55.1.rt7.396.el8_10
+%define pkgrelease 553.56.1.rt7.397.el8_10
 
 # allow pkg_release to have configurable %%{?dist} tag
-%define specrelease 553.55.1.rt7.396%{?dist}
+%define specrelease 553.56.1.rt7.397%{?dist}
 
 %define pkg_release %{specrelease}%{?buildid}
 
@@ -148,7 +148,7 @@
 # The preempt RT patch level
 %global rttag .rt7
 # realtimeN
-%global rtbuild .396
+%global rtbuild .397
 %define with_doc 0
 %define with_headers 0
 %define with_cross_headers 0
@@ -2699,6 +2699,12 @@ fi
 #
 #
 %changelog
+* Sun Jun 01 2025 Denys Vlasenko <dvlasenk@redhat.com> [4.18.0-553.56.1.rt7.397.el8_10]
+- [rt] build kernel-rt-4.18.0-553.56.1.rt7.397.el8_10
+- tools/power/x86_energy_perf_policy: Read energy_perf_bias from sysfs (David Arcari) [RHEL-86963]
+- um: Fix out-of-bounds read in LDT setup (CKI Backport Bot) [RHEL-90261] {CVE-2022-49395}
+Resolves:RHEL-86963, RHEL-90261
+
 * Fri May 23 2025 Denys Vlasenko <dvlasenk@redhat.com> [4.18.0-553.55.1.rt7.396.el8_10]
 - [rt] build kernel-rt-4.18.0-553.55.1.rt7.396.el8_10
 - sched/fair: Fix CPU bandwidth limit bypass during CPU hotplug (Phil Auld) [RHEL-85171]
diff --git a/sources b/sources
index bb4825d..eceb663 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (linux-4.18.0-553.55.1.rt7.396.el8_10.tar.xz) = 0c1bdcffc140f65441dfff4b53edf9e862177941b4464deeff1cf136e3ddb4f980a71c46686b832dc6aeccc0efe9ffc4cfa08c1ab569c1e3d406ad7e7e716b6b
+SHA512 (linux-4.18.0-553.56.1.rt7.397.el8_10.tar.xz) = 4d12f8a04c42e2e821cc881c25ea1bcd8598d81de3d37ed0923a896577b2e88d3e4fe784214e2e985154a2104eb46d2b66b3599cc0a0781a73c0b6c0f637c2a2