diff --git a/rust-serial_test_derive.spec b/rust-serial_test_derive.spec
index e3891e3..800ec32 100644
--- a/rust-serial_test_derive.spec
+++ b/rust-serial_test_derive.spec
@@ -1,11 +1,11 @@
-# Generated by rust2rpm 23
+# Generated by rust2rpm 24
 %bcond_without check
 %global debug_package %{nil}
 
 %global crate serial_test_derive
 
 Name:           rust-serial_test_derive
-Version:        0.9.0
+Version:        1.0.0
 Release:        %autorelease
 Summary:        Helper crate for serial_test
 
@@ -46,6 +46,18 @@ use the "default" feature of the "%{crate}" crate.
 %files       -n %{name}+default-devel
 %ghost %{crate_instdir}/Cargo.toml
 
+%package     -n %{name}+async-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+async-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "async" feature of the "%{crate}" crate.
+
+%files       -n %{name}+async-devel
+%ghost %{crate_instdir}/Cargo.toml
+
 %prep
 %autosetup -n %{crate}-%{version_no_tilde} -p1
 %cargo_prep
diff --git a/sources b/sources
index 1f02002..a34ab55 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (serial_test_derive-0.9.0.crate) = 030dcad9d972866254e2faacb5039d949e2f8f515e7879f6a93c8546f2787bfbb6e6ce0bbe2e76f0eae6225392a1fe2ac0d76c692fdfc4e9bd2e49621ef8967a
+SHA512 (serial_test_derive-1.0.0.crate) = 775de93d886128b4be6fcf4f0fa460933df23cc53a6006090d8aec54483beb5fef549d0bbb8efbba26ba6ba1554c7ef4154531de075ad3db2f201479dcc176c8