diff --git a/.gitignore b/.gitignore
index 30610e8..1f32bdc 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 /cxx-build-0.5.10.crate
 /cxx-build-1.0.49.crate
+/cxx-build-1.0.50.crate
diff --git a/rust-cxx-build.spec b/rust-cxx-build.spec
index a45a9bf..4a857a6 100644
--- a/rust-cxx-build.spec
+++ b/rust-cxx-build.spec
@@ -1,11 +1,11 @@
-# Generated by rust2rpm 16
+# Generated by rust2rpm 18
 %bcond_without check
 %global debug_package %{nil}
 
 %global crate cxx-build
 
 Name:           rust-%{crate}
-Version:        1.0.49
+Version:        1.0.50
 Release:        %autorelease
 Summary:        C++ code generator for integrating `cxx` crate into a Cargo build
 
@@ -36,8 +36,7 @@ This package contains library source intended for building other packages
 which use "%{crate}" crate.
 
 %files          devel
-%license        LICENSE-APACHE
-%license        LICENSE-MIT
+%license LICENSE-MIT LICENSE-APACHE
 %{cargo_registry}/%{crate}-%{version_no_tilde}/
 
 %package     -n %{name}+default-devel
@@ -52,6 +51,18 @@ which use "default" feature of "%{crate}" crate.
 %files       -n %{name}+default-devel
 %ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
 
+%package     -n %{name}+parallel-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+parallel-devel %{_description}
+
+This package contains library source intended for building other packages
+which use "parallel" feature of "%{crate}" crate.
+
+%files       -n %{name}+parallel-devel
+%ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
+
 %prep
 %autosetup -n %{crate}-%{version_no_tilde} -p1
 %cargo_prep
diff --git a/sources b/sources
index eadd8df..5547d2c 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (cxx-build-1.0.49.crate) = b790c5fca2f0e3a991963cfedf4d562559b36e8e598eacb48aff5e7b06d6992301803df19ca7bf4d93381fbc34d67dbb39de3fd4edbfe8f25d2af9005dcf5f8d
+SHA512 (cxx-build-1.0.50.crate) = 17802dbf841673e994d2a932cfdc4dd78aa48d4e0419c2cf09934de3338f73ada97a09aa437f40b28c7dcbc0b4259612e33f531db636f92c30786603feab9c3c