diff --git a/.gitignore b/.gitignore
index 6491188..d184779 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,3 +5,4 @@
 /configparser-2.1.0.crate
 /configparser-3.0.2.crate
 /configparser-3.0.3.crate
+/configparser-3.0.4.crate
diff --git a/rust-configparser.spec b/rust-configparser.spec
index 9de59e0..0a62668 100644
--- a/rust-configparser.spec
+++ b/rust-configparser.spec
@@ -5,7 +5,7 @@
 %global crate configparser
 
 Name:           rust-configparser
-Version:        3.0.3
+Version:        3.0.4
 Release:        %autorelease
 Summary:        Simple configuration parsing utility with no dependencies
 
@@ -75,6 +75,18 @@ use the "indexmap" feature of the "%{crate}" crate.
 %files       -n %{name}+indexmap-devel
 %ghost %{crate_instdir}/Cargo.toml
 
+%package     -n %{name}+tokio-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+tokio-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "tokio" feature of the "%{crate}" crate.
+
+%files       -n %{name}+tokio-devel
+%ghost %{crate_instdir}/Cargo.toml
+
 %prep
 %autosetup -n %{crate}-%{version} -p1
 %cargo_prep
diff --git a/sources b/sources
index b7f7f75..5cb836e 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (configparser-3.0.3.crate) = 14e678c0617a5a95444964291fce9492f8e2c7117c3c93272d79572548dc89e8d2bea088d0dfc49481f777ce6da4e8773359de5d6f26e21f21af7ae220ded0d4
+SHA512 (configparser-3.0.4.crate) = aef273f5ce927a137294b3a6f1c505720ff9029d3c163785287a43a551ffeeebadd4b7212075524a836dafd9d2eb740046b3eb4d33535d20a98cb77372010d4b