diff --git a/.gitignore b/.gitignore
index 969ebf6..07eee02 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 /humansize-1.1.0.crate
 /humansize-1.1.1.crate
+/humansize-2.1.3.crate
diff --git a/rust-humansize.spec b/rust-humansize.spec
index 7796cf4..9319104 100644
--- a/rust-humansize.spec
+++ b/rust-humansize.spec
@@ -5,9 +5,9 @@
 %global crate humansize
 
 Name:           rust-humansize
-Version:        1.1.1
+Version:        2.1.3
 Release:        %autorelease
-Summary:        Configurable crate to easily represent file sizes in a human-readable format
+Summary:        Configurable crate to easily represent sizes in a human-readable format
 
 # Upstream license specification: MIT/Apache-2.0
 License:        MIT OR Apache-2.0
@@ -17,7 +17,7 @@ Source:         %{crates_source}
 BuildRequires:  rust-packaging >= 21
 
 %global _description %{expand:
-A configurable crate to easily represent file sizes in a human-readable
+A configurable crate to easily represent sizes in a human-readable
 format.}
 
 %description %{_description}
@@ -35,6 +35,7 @@ use the "%{crate}" crate.
 %license %{crate_instdir}/LICENSE-APACHE
 %license %{crate_instdir}/LICENSE-MIT
 %doc %{crate_instdir}/README.md
+%doc %{crate_instdir}/changelog.md
 %{crate_instdir}/
 
 %package     -n %{name}+default-devel
@@ -49,6 +50,30 @@ use the "default" feature of the "%{crate}" crate.
 %files       -n %{name}+default-devel
 %ghost %{crate_instdir}/Cargo.toml
 
+%package     -n %{name}+impl_style-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+impl_style-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "impl_style" feature of the "%{crate}" crate.
+
+%files       -n %{name}+impl_style-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+no_alloc-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+no_alloc-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "no_alloc" feature of the "%{crate}" crate.
+
+%files       -n %{name}+no_alloc-devel
+%ghost %{crate_instdir}/Cargo.toml
+
 %prep
 %autosetup -n %{crate}-%{version_no_tilde} -p1
 %cargo_prep
diff --git a/sources b/sources
index eadd79b..0acb8b4 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (humansize-1.1.1.crate) = 90b25500014d7ff541b6feb496ebb25ffbf0bbdfc3ea80ce3b3a1597d08c2cea9b967c674e261d3c8c3587d3481da8d899cc5e3fb05b22c55f90e178508ebeff
+SHA512 (humansize-2.1.3.crate) = 0adb6825650fa074a0ff33a4090563987ef311de5ab23e12f715286d8198310d17cca9028f41b8ef0e17d15b939e50d165419853ffde6a7ccf977d33acd920fe