diff --git a/.gitignore b/.gitignore
index 1860630..17b5053 100644
--- a/.gitignore
+++ b/.gitignore
@@ -19,3 +19,4 @@
 /sysinfo-0.14.11.crate
 /sysinfo-0.15.3.crate
 /sysinfo-0.15.4.crate
+/sysinfo-0.15.6.crate
diff --git a/rust-sysinfo.spec b/rust-sysinfo.spec
index 95e7671..f49fcc9 100644
--- a/rust-sysinfo.spec
+++ b/rust-sysinfo.spec
@@ -5,7 +5,7 @@
 %global crate sysinfo
 
 Name:           rust-%{crate}
-Version:        0.15.4
+Version:        0.15.6
 Release:        1%{?dist}
 Summary:        Library to get system information such as processes, processors, disks, components and networks
 
@@ -81,6 +81,30 @@ which use "debug" feature of "%{crate}" crate.
 %files       -n %{name}+debug-devel
 %ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
 
+%package     -n %{name}+multithread-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+multithread-devel %{_description}
+
+This package contains library source intended for building other packages
+which use "multithread" feature of "%{crate}" crate.
+
+%files       -n %{name}+multithread-devel
+%ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
+
+%package     -n %{name}+rayon-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+rayon-devel %{_description}
+
+This package contains library source intended for building other packages
+which use "rayon" feature of "%{crate}" crate.
+
+%files       -n %{name}+rayon-devel
+%ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
+
 %prep
 %autosetup -n %{crate}-%{version_no_tilde} -p1
 %cargo_prep
@@ -101,6 +125,10 @@ which use "debug" feature of "%{crate}" crate.
 %endif
 
 %changelog
+* Sat Jan 09 2021 Fabio Valentini <decathorpe@gmail.com> - 0.15.6-1
+- Update to version 0.15.6.
+- Fixes RHBZ#1913228
+
 * Mon Jan 04 2021 Fabio Valentini <decathorpe@gmail.com> - 0.15.4-1
 - Update to version 0.15.4.
 - Fixes RHBZ#1911919
diff --git a/sources b/sources
index 956b6ab..d2b6f22 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (sysinfo-0.15.4.crate) = 47452fc3f3327a6a7307dd4dca1393c42f36233a248e77755d926962b1fd6486d0c60c7dbc98f571365f45ab45c8ee93936ff885f2e4d3552e6237ac7b9b061d
+SHA512 (sysinfo-0.15.6.crate) = 2094995fec226511ed0b90ce055aaf4f137fc0895287310381504908b60e5058c0e7ac4506c97e12d5f7a883bfc725e40e7e70eb9687079a6640063ea835a682
diff --git a/sysinfo-fix-metadata.diff b/sysinfo-fix-metadata.diff
index dfb8440..b7ba79e 100644
--- a/sysinfo-fix-metadata.diff
+++ b/sysinfo-fix-metadata.diff
@@ -1,9 +1,9 @@
---- sysinfo-0.15.4/Cargo.toml	1970-01-01T00:00:00+00:00
-+++ sysinfo-0.15.4/Cargo.toml	2021-01-04T12:57:49.531780+00:00
-@@ -40,18 +40,8 @@
- [features]
- c-interface = []
+--- sysinfo-0.15.6/Cargo.toml	1970-01-01T00:00:00+00:00
++++ sysinfo-0.15.6/Cargo.toml	2021-01-09T19:41:00.521881+00:00
+@@ -43,18 +43,8 @@
  debug = ["libc/extra_traits"]
+ default = ["multithread"]
+ multithread = ["rayon"]
 -[target."cfg(any(target_os = \"macos\", target_os = \"ios\"))".dependencies.core-foundation-sys]
 -version = "0.8"
 -[target."cfg(any(target_os = \"macos\", target_os = \"ios\"))".build-dependencies.cc]