diff --git a/openjdk-21.spec b/openjdk-21.spec
index f17fd8589cba9783fa3989071ad7df63dce4bca2..1b6c3009aeafb2156c608429f86c79b481a68c16 100644
--- a/openjdk-21.spec
+++ b/openjdk-21.spec
@@ -83,7 +83,7 @@
 # By default, we build a debug build during main build on JIT architectures
 %if %{with slowdebug}
 %ifarch %{jit_arches}
-%global include_debug_build 0
+%global include_debug_build 1
 %else
 %global include_debug_build 0
 %endif
@@ -905,7 +905,7 @@ Name:    java-21-%{origin}
 Version: %{newjavaver}.%{buildver}
 # This package needs `.rolling` as part of Release so as to not conflict on install with
 # java-X-openjdk. I.e. when latest rolling release is also an LTS release packaged as
-Release: 7
+Release: 8
 
 # java-1.5.0-ibm from jpackage.org set Epoch to 1 for unknown reasons
 # and this change was brought into RHEL-4. java-1.5.0-ibm packages
@@ -1925,6 +1925,9 @@ cjc.mainProgram(args) -- the returns from copy_jdk_configs.lua should not affect
 
 
 %changelog
+* Wed Jun 25 2025 gaoxiang <gaoxiang@kylinos.cn> - 1:21.0.7.6-8
+- enable slowdebug build
+
 * Tue Jul 15 2025 Benshuai5D <benshuai5d@163.com> - 1:21.0.7.6-7
 - add huawei-AArch64-Incorrect-matching-rule.patch