diff --git a/.gitignore b/.gitignore
index c17a951..e570a14 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 /serde_urlencoded-0.5.1.crate
 /serde_urlencoded-0.5.2.crate
 /serde_urlencoded-0.5.3.crate
+/serde_urlencoded-0.5.4.crate
diff --git a/rust-serde_urlencoded.spec b/rust-serde_urlencoded.spec
index 428b57f..7d94a45 100644
--- a/rust-serde_urlencoded.spec
+++ b/rust-serde_urlencoded.spec
@@ -5,7 +5,7 @@
 %global crate serde_urlencoded
 
 Name:           rust-%{crate}
-Version:        0.5.3
+Version:        0.5.4
 Release:        1%{?dist}
 Summary:        `x-www-form-urlencoded` meets Serde
 
@@ -17,28 +17,45 @@ Source0:        https://crates.io/api/v1/crates/%{crate}/%{version}/download#/%{
 ExclusiveArch:  %{rust_arches}
 
 BuildRequires:  rust-packaging
-# [dependencies]
-BuildRequires:  (crate(dtoa) >= 0.4.0 with crate(dtoa) < 0.5.0)
-BuildRequires:  (crate(itoa) >= 0.4.0 with crate(itoa) < 0.5.0)
-BuildRequires:  (crate(serde) >= 1.0.0 with crate(serde) < 2.0.0)
-BuildRequires:  (crate(url) >= 1.0.0 with crate(url) < 2.0.0)
+BuildRequires:  (crate(dtoa/default) >= 0.4.0 with crate(dtoa/default) < 0.5.0)
+BuildRequires:  (crate(itoa/default) >= 0.4.0 with crate(itoa/default) < 0.5.0)
+BuildRequires:  (crate(serde/default) >= 1.0.0 with crate(serde/default) < 2.0.0)
+BuildRequires:  (crate(url/default) >= 1.0.0 with crate(url/default) < 2.0.0)
 %if %{with check}
-# [dev-dependencies]
-BuildRequires:  (crate(serde_derive) >= 1.0.0 with crate(serde_derive) < 2.0.0)
+BuildRequires:  (crate(serde_derive/default) >= 1.0.0 with crate(serde_derive/default) < 2.0.0)
 %endif
 
-%description
-%{summary}.
+%global _description \
+`x-www-form-urlencoded` meets Serde.
+
+%description %{_description}
 
 %package        devel
 Summary:        %{summary}
 BuildArch:      noarch
 
-%description    devel
-`x-www-form-urlencoded` meets Serde.
+%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-MIT LICENSE-APACHE
+%doc README.md
+%{cargo_registry}/%{crate}-%{version}/
+%exclude %{cargo_registry}/%{crate}-%{version}/bors.toml
+
+%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
@@ -55,13 +72,11 @@ which use %{crate} from crates.io.
 %cargo_test
 %endif
 
-%files          devel
-%license LICENSE-MIT LICENSE-APACHE
-%doc README.md
-%{cargo_registry}/%{crate}-%{version}/
-%exclude %{cargo_registry}/%{crate}-%{version}/bors.toml
-
 %changelog
+* Mon Nov 26 2018 Josh Stone <jistone@redhat.com> - 0.5.4-1
+- Update to 0.5.4
+- Adapt to new packaging
+
 * Fri Sep 07 2018 Josh Stone <jistone@redhat.com> - 0.5.3-1
 - Update to 0.5.3
 
diff --git a/sources b/sources
index 46be4ce..d064e46 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (serde_urlencoded-0.5.3.crate) = 94a723687e3debebe8e221f1396a63574a36e4e2ded434ae4dde9c7c832f5f865114378d250463f5ab7e85884d11e4b99d91bf470c796c0fe24cc88614b618d9
+SHA512 (serde_urlencoded-0.5.4.crate) = b32c2cf86c9c023b18ce5627992692e53a0848a1d44508c510e553731e6a4fb1ad30aef8f2cafac6ab0cf3faa45eb5f1df42cf8cbce36b673d2aa6754d3ef45b