diff --git a/lapce.spec b/lapce.spec
index 820c688..675064c 100644
--- a/lapce.spec
+++ b/lapce.spec
@@ -17,7 +17,7 @@
 
 
 %global _commit_hash e65e40a8d352e6b26a337419c82d5b406d3cf2fc
-
+%global rustflags -C linker=clang -C link-arg=-fuse-ld=mold
 Name:           lapce
 Version:        0.1.3+git145
 Release:        0
@@ -28,11 +28,10 @@ Group:          Productivity/Text/Editors
 Source0:        https://github.com/lapce/lapce/archive/%{_commit_hash}.tar.gz#/%{name}-%{version}.tar.gz
 Source1:        vendor.tar.gz
 Source2:        cargo_config
-BuildRequires:  c_compiler
-BuildRequires:  c++_compiler
+BuildRequires:  clang
+BuildRequires:  mold
 BuildRequires:  cargo-packaging
 BuildRequires:  cmake
-BuildRequires:  libgcc_s1
 BuildRequires:  pkgconfig
 BuildRequires:  python3
 BuildRequires:  rust >= 1.62
@@ -60,7 +59,7 @@ mkdir .cargo
 cp %{SOURCE2} .cargo/config
 
 %build
-%{cargo_build}
+RUSTFLAGS="%{rustflags}" %{cargo_build} --profile release-lto
 
 %install
 install -Dm 0755 %{_builddir}/%{name}-%{version}/target/release/%{name} %{buildroot}%{_bindir}/%{name}
@@ -73,7 +72,8 @@ install -Dm 0644 extra/images/dev.%{name}.%{name}.svg %{buildroot}%{_datadir}/pi
 %doc README.md
 %{_bindir}/lapce
 %{_bindir}/lapce.sh
-%{_datadir}/applications/lapce.desktop
-%{_datadir}/pixmaps/lapce.svg
+%{_datadir}/metainfo/dev.lapce.lapce.metainfo.xml
+%{_datadir}/applications/dev.lapce.lapce.desktop
+%{_datadir}/pixmaps/dev.lapce.lapce.svg
 
 %changelog