diff --git a/rust-slab.spec b/rust-slab.spec
index bafd352..57dab82 100644
--- a/rust-slab.spec
+++ b/rust-slab.spec
@@ -6,7 +6,7 @@
 
 Name:           rust-%{crate}
 Version:        0.4.1
-Release:        1%{?dist}
+Release:        2%{?dist}
 Summary:        Pre-allocated storage for a uniform data type
 
 License:        MIT
@@ -17,18 +17,36 @@ ExclusiveArch:  %{rust_arches}
 
 BuildRequires:  rust-packaging
 
-%description
-%{summary}.
+%global _description \
+Pre-allocated storage for a uniform data type.
+
+%description %{_description}
 
 %package        devel
 Summary:        %{summary}
 BuildArch:      noarch
 
-%description    devel
-Pre-allocated storage for a uniform data type.
+%description    devel %{_description}
 
 This package contains library source intended for building other packages
-which use %{crate} from crates.io.
+which use "%{crate}" crate.
+
+%files          devel
+%license LICENSE
+%doc README.md
+%{cargo_registry}/%{crate}-%{version}/
+
+%package     -n %{name}+default-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+default-devel %{_description}
+
+This package contains library source intended for building other packages
+which use "default" feature of "%{crate}" crate.
+
+%files       -n %{name}+default-devel
+%ghost %{cargo_registry}/%{crate}-%{version}/Cargo.toml
 
 %prep
 %autosetup -n %{crate}-%{version} -p1
@@ -45,12 +63,10 @@ which use %{crate} from crates.io.
 %cargo_test
 %endif
 
-%files          devel
-%license LICENSE
-%doc README.md
-%{cargo_registry}/%{crate}-%{version}/
-
 %changelog
+* Thu Nov 08 2018 Josh Stone <jistone@redhat.com> - 0.4.1-2
+- Adapt to new packaging
+
 * Tue Aug 07 2018 Josh Stone <jistone@redhat.com> - 0.4.1-1
 - Update to 0.4.1