diff --git a/wezterm.spec b/wezterm.spec
index 441cd19..e712165 100644
--- a/wezterm.spec
+++ b/wezterm.spec
@@ -27,8 +27,12 @@ Source1:        vendor.tar.gz
 Source2:        cargo_config
 Requires:       terminfo
 BuildRequires:  Mesa-libEGL-devel
+BuildRequires:  rust >= 1.43
+%if 0%{?suse_version} >= 1599
 BuildRequires:  cargo-packaging
-BuildRequires:  rust >= 1.46
+%else
+BuildRequires:  cargo
+%endif
 ExclusiveArch:  %{rust_arches}
 
 BuildRequires:  cmake
@@ -65,7 +69,11 @@ cp %{SOURCE2} .cargo/config
 tic -vvv -x -o terminfo termwiz/data/%{name}.terminfo
 
 %build
-%{cargo_build}
+%if 0%{?suse_version} < 1599
+  cargo build --offline --release --all-features
+%else
+  %{cargo_build}
+%endif
 
 %install
 install -Dm 0755 %{_builddir}/%{name}-%{version}/target/release/wezterm %{buildroot}%{_bindir}/wezterm