diff --git a/.gitignore b/.gitignore
index 81d8713..83ae120 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 /tokio-util-0.2.0.crate
 /tokio-util-0.3.1.crate
+/tokio-util-0.6.3.crate
diff --git a/.rust2rpm.conf b/.rust2rpm.conf
new file mode 100644
index 0000000..60d419b
--- /dev/null
+++ b/.rust2rpm.conf
@@ -0,0 +1,3 @@
+[DEFAULT]
+unwanted-features =
+  __docs
diff --git a/rust-tokio-util.spec b/rust-tokio-util.spec
index 78fc7d0..5eb8988 100644
--- a/rust-tokio-util.spec
+++ b/rust-tokio-util.spec
@@ -1,4 +1,4 @@
-# Generated by rust2rpm 13
+# Generated by rust2rpm 16
 # * Tests can be run only in-tree
 %bcond_with check
 %global debug_package %{nil}
@@ -6,8 +6,8 @@
 %global crate tokio-util
 
 Name:           rust-%{crate}
-Version:        0.3.1
-Release:        3%{?dist}
+Version:        0.6.3
+Release:        1%{?dist}
 Summary:        Additional utilities for working with Tokio
 
 # Upstream license specification: MIT
@@ -38,7 +38,7 @@ which use "%{crate}" crate.
 
 %files          devel
 %license LICENSE
-%doc CHANGELOG.md README.md
+%doc README.md CHANGELOG.md
 %{cargo_registry}/%{crate}-%{version_no_tilde}/
 
 %package     -n %{name}+default-devel
@@ -101,16 +101,76 @@ which use "futures-io" feature of "%{crate}" crate.
 %files       -n %{name}+futures-io-devel
 %ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
 
-%package     -n %{name}+udp-devel
+%package     -n %{name}+futures-util-devel
 Summary:        %{summary}
 BuildArch:      noarch
 
-%description -n %{name}+udp-devel %{_description}
+%description -n %{name}+futures-util-devel %{_description}
 
 This package contains library source intended for building other packages
-which use "udp" feature of "%{crate}" crate.
+which use "futures-util" feature of "%{crate}" crate.
 
-%files       -n %{name}+udp-devel
+%files       -n %{name}+futures-util-devel
+%ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
+
+%package     -n %{name}+io-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+io-devel %{_description}
+
+This package contains library source intended for building other packages
+which use "io" feature of "%{crate}" crate.
+
+%files       -n %{name}+io-devel
+%ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
+
+%package     -n %{name}+net-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+net-devel %{_description}
+
+This package contains library source intended for building other packages
+which use "net" feature of "%{crate}" crate.
+
+%files       -n %{name}+net-devel
+%ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
+
+%package     -n %{name}+rt-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+rt-devel %{_description}
+
+This package contains library source intended for building other packages
+which use "rt" feature of "%{crate}" crate.
+
+%files       -n %{name}+rt-devel
+%ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
+
+%package     -n %{name}+slab-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+slab-devel %{_description}
+
+This package contains library source intended for building other packages
+which use "slab" feature of "%{crate}" crate.
+
+%files       -n %{name}+slab-devel
+%ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
+
+%package     -n %{name}+time-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+time-devel %{_description}
+
+This package contains library source intended for building other packages
+which use "time" feature of "%{crate}" crate.
+
+%files       -n %{name}+time-devel
 %ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
 
 %prep
@@ -132,6 +192,9 @@ which use "udp" feature of "%{crate}" crate.
 %endif
 
 %changelog
+* Sat Mar 06 2021 Fabio Valentini <decathorpe@gmail.com> - 0.6.3-1
+- Update to version 0.6.3.
+
 * Wed Jan 27 2021 Fedora Release Engineering <releng@fedoraproject.org> - 0.3.1-3
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_34_Mass_Rebuild
 
diff --git a/sources b/sources
index 7fb7bb4..22c6fca 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (tokio-util-0.3.1.crate) = 301a5d9a8a9537653e17d3360dc27d41c95aa28bcda3e0815923dca0ac735071b01b9fc8c1d53e826e0cd1e6e5f98cc233f1e9dea906ba06c6b5192608ae7ae8
+SHA512 (tokio-util-0.6.3.crate) = 1f0861cea7d3a42ffa0c7d8dbcb51bd4bcc2b2a1bf732678fed03785d0b7f54b45713907a7a46316e3ab91a6ef3356ad856dcb04f8cc9b47f403912c4253e23f