diff --git a/texlive-base.spec b/texlive-base.spec
index efa24e36643483d0ad561cfe214e2fd2da3018cb..d5d045c3858043c0b56243c13d596baa4fff459f 100644
--- a/texlive-base.spec
+++ b/texlive-base.spec
@@ -4,7 +4,7 @@
 
 Name:           texlive-base
 Version:        20210325
-Release:        10
+Release:        11
 Epoch:          9
 Summary:        TeX formatting system
 License:        ASL 2.0 and LGPL-2.1-only and Zlib and OFL-1.1 and Public Domain and LGPL-2.0-only and GPLv2+ and MPL-1.1 and Libpng and LGPL-3.0-only and BSL-1.0 and GPLv2 and GPLv3 and CPL-1.0 and IJG and MIT and LPPL-1.3c and ICU and psutils
@@ -6122,10 +6122,10 @@ done
 %build
 %ifarch loongarch64
 export CFLAGS="$RPM_OPT_FLAGS -fno-strict-aliasing -fcommon"
-export CXXFLAGS="$RPM_OPT_FLAGS -std=c++11 -fno-strict-aliasing -fcommon"
+export CXXFLAGS="$RPM_OPT_FLAGS -std=c++17 -fno-strict-aliasing -fcommon"
 %else
 export CFLAGS="$RPM_OPT_FLAGS -fno-strict-aliasing -Werror=format-security -fcommon"
-export CXXFLAGS="$RPM_OPT_FLAGS -std=c++11 -fno-strict-aliasing -Werror=format-security -fcommon"
+export CXXFLAGS="$RPM_OPT_FLAGS -std=c++17 -fno-strict-aliasing -Werror=format-security -fcommon"
 %endif
 export LDFLAGS="%{build_ldflags}"
 cd source
@@ -8623,6 +8623,9 @@ yes | %{_bindir}/updmap-sys --quiet --syncwithtrees >/dev/null 2>&1 || :
 %doc %{_datadir}/texlive/texmf-dist/doc/latex/yplan/
 
 %changelog
+* Thu Mar 06 2025 yaoxin <1024769339@qq.com> - 9:20210325-11
+- Fix build failure caused by icu update to 76
+
 * Wed Dec 25 2024 yaoxin <yao_xin001@hoperun.com> - 9:20210325-10
 - Fix build failure caused by Ghostscript updated