diff --git a/.gitignore b/.gitignore
index 5210de1..4ceee59 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,3 +3,4 @@
 /num-0.1.42.crate
 /num-0.2.0.crate
 /num-0.2.1.crate
+/num-0.3.0.crate
diff --git a/rust-num.spec b/rust-num.spec
index 1e5e84e..3c59cd4 100644
--- a/rust-num.spec
+++ b/rust-num.spec
@@ -5,8 +5,8 @@
 %global crate num
 
 Name:           rust-%{crate}
-Version:        0.2.1
-Release:        2%{?dist}
+Version:        0.3.0
+Release:        1%{?dist}
 Summary:        Collection of numeric types and traits for Rust
 
 # Upstream license specification: MIT/Apache-2.0
@@ -54,16 +54,28 @@ which use "default" feature of "%{crate}" crate.
 %files       -n %{name}+default-devel
 %ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
 
-%package     -n %{name}+i128-devel
+%package     -n %{name}+alloc-devel
 Summary:        %{summary}
 BuildArch:      noarch
 
-%description -n %{name}+i128-devel %{_description}
+%description -n %{name}+alloc-devel %{_description}
 
 This package contains library source intended for building other packages
-which use "i128" feature of "%{crate}" crate.
+which use "alloc" feature of "%{crate}" crate.
 
-%files       -n %{name}+i128-devel
+%files       -n %{name}+alloc-devel
+%ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
+
+%package     -n %{name}+libm-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+libm-devel %{_description}
+
+This package contains library source intended for building other packages
+which use "libm" feature of "%{crate}" crate.
+
+%files       -n %{name}+libm-devel
 %ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
 
 %package     -n %{name}+num-bigint-devel
@@ -133,6 +145,9 @@ which use "std" feature of "%{crate}" crate.
 %endif
 
 %changelog
+* Sat Jun 27 2020 Josh Stone <jistone@redhat.com> - 0.3.0-1
+- Update to 0.3.0
+
 * Thu Jan 30 2020 Fedora Release Engineering <releng@fedoraproject.org> - 0.2.1-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_32_Mass_Rebuild
 
diff --git a/sources b/sources
index ebdb0a0..6f4019e 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (num-0.2.1.crate) = 9d094e0a29b2bb42d382d5167150418bc2ed81e8deb3c6636c99c86ca14abf5f69b82a49f1678dd110119eeaec2f476fe7a5d57e60558473a6b7c710dec7f778
+SHA512 (num-0.3.0.crate) = fa59f52da79ceb0281f029c423facef9dfa63d2dd919345dd08f93cbdd2a5bc6572ff65e3a887616cc4e2219099e223a7a36a780c5be9a6c3d36fc3ef7a47c70