diff --git a/fcitx5-5.1.12_dict.tar.zst b/fcitx5-5.1.14_dict.tar.zst
similarity index 32%
rename from fcitx5-5.1.12_dict.tar.zst
rename to fcitx5-5.1.14_dict.tar.zst
index e4a83c3f331ba9b579bfc3d3fa705891b5b9514d..92a5f13aba53f09a248c395183f234b9a21abb29 100644
--- a/fcitx5-5.1.12_dict.tar.zst
+++ b/fcitx5-5.1.14_dict.tar.zst
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:19da94d26e66d7b1028ab6bd1b13dddde937a23c280798f3ba53747259c455ff
-size 8317084
+oid sha256:735af197545019c0a04ccd968b20bb0b67cc18bb32f04d1765dfb94c494a23a1
+size 8374893
diff --git a/fcitx5.spec b/fcitx5.spec
index a5304b83f3d8acf72289fd5e449c5bbaf4bf1056..47ed3e2b30a4d8b1312ac5f0bc63f5b0474dcc22 100644
--- a/fcitx5.spec
+++ b/fcitx5.spec
@@ -1,7 +1,9 @@
 %global _xinputconf %{_sysconfdir}/X11/xinit/xinput.d/fcitx5.conf
 
+%global toolchain clang
+
 Name:           fcitx5
-Version:        5.1.12
+Version:        5.1.14
 Release:        1
 Summary:        Next generation of fcitx
 License:        LGPL-2.1-or-later
@@ -16,7 +18,8 @@ BuildRequires:  ninja-build
 BuildRequires:  gnupg2
 BuildRequires:  desktop-file-utils
 BuildRequires:  extra-cmake-modules
-BuildRequires:  gcc-c++
+BuildRequires:  clang
+BuildRequires:  libcxx-devel
 BuildRequires:  systemd
 BuildRequires:  pkgconfig(cairo)
 BuildRequires:  cldr-emoji-annotation-devel
@@ -95,6 +98,7 @@ This package will setup autostart and environment needed for fcitx5 to work prop
 %autosetup -p1
 
 %build
+export CXXFLAGS="%{build_cxxflags} -stdlib=libc++"
 %cmake -GNinja
 %cmake_build
 
@@ -170,6 +174,10 @@ fi
 %config %{_sysconfdir}/profile.d/fcitx5.sh
 
 %changelog
+* Wed Jul 30 2025 Funda Wang <fundawang@yeah.net> - 5.1.14-1
+- update to 5.1.14
+- build with clang and libcxx, because std:fmt only exists in gcc >= 13
+
 * Mon Mar 24 2025 Funda Wang <fundawang@yeah.net> - 5.1.12-1
 - update to 5.1.12