diff --git a/gcc-10.spec b/gcc-10.spec
index ea00b05cad0ceeb14ae4d147948da1f7b16ba5e7..a1c36df7d75cf6cb1304a60d5dd8a243522859fc 100644
--- a/gcc-10.spec
+++ b/gcc-10.spec
@@ -1,8 +1,8 @@
 %global scl 1
 %global vendor %{?_vendor:%{_vendor}}%{!?_vendor:openEuler}
 %global gcc_version 10.3.0
-%global gcc_release 2
-%global isl_version 0.21
+%global gcc_release 3
+%global isl_version 0.16.1
 %global gcc_major 10
 
 %global _unpackaged_files_terminate_build 0
@@ -78,7 +78,7 @@ License: GPLv3+ and GPLv3+ with exceptions and GPLv2+ with exceptions and LGPLv2
 URL: https://gcc.gnu.org
 
 Source0: https://ftp.gnu.org/gnu/gcc/gcc-10.3.0/gcc-10.3.0.tar.xz
-Source1: https://gcc.gnu.org/pub/gcc/infrastructure/isl-%{isl_version}.tar.bz2
+Source1: https://gcc.gnu.org/pub/gcc/infrastructure/isl-%{isl_version}.tar.xz
 
 BuildRequires: binutils >= 2.31
 BuildRequires: glibc-headers
@@ -2605,13 +2605,19 @@ end
 %doc rpm.doc/changelogs/libcc1/ChangeLog*
 
 %changelog
+* Thu Nov 23 2023 Shujian Zhao <zhaoshujian@huawei.com> 10.3.0-3
+- Type:Fix
+- ID:NA
+- SUG:NA
+- DESC:Change isl version from isl-0.21 to isl-0.16.1 to fix the deja test ice.
+
 * Wed Nov 15 2023 Shujian Zhao <zhaoshujian@huawei.com> 10.3.0-2
 - Type:Fix
 - ID:NA
 - SUG:NA
 - DESC:Fix ubsan.exp deja test issue.
 
-* Wed Dec 14 2023 Shujian Zhao <zhaoshujian@huawei.com> 10.3.0-1
+* Fri Oct 27 2023 Shujian Zhao <zhaoshujian@huawei.com> 10.3.0-1
 - Type:SPEC
 - ID:NA
 - SUG:NA
diff --git a/isl-0.16.1.tar.xz b/isl-0.16.1.tar.xz
new file mode 100644
index 0000000000000000000000000000000000000000..92e76e6746b433dfd3352757ee3e9edd0f2b7270
Binary files /dev/null and b/isl-0.16.1.tar.xz differ
diff --git a/isl-0.21.tar.bz2 b/isl-0.21.tar.bz2
deleted file mode 100644
index 1b256e26d304a8a3f3b656886f5ecb4852d4a0f8..0000000000000000000000000000000000000000
Binary files a/isl-0.21.tar.bz2 and /dev/null differ