diff --git a/.gitignore b/.gitignore
index 4f7b7d5..53d3549 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,3 +7,4 @@
 /bindgen-0.47.0.crate
 /bindgen-0.48.1.crate
 /bindgen-0.49.0.crate
+/bindgen-0.51.0.crate
diff --git a/bindgen-fix-metadata.diff b/bindgen-fix-metadata.diff
deleted file mode 100644
index 3ae828b..0000000
--- a/bindgen-fix-metadata.diff
+++ /dev/null
@@ -1,11 +0,0 @@
---- bindgen-0.49.0/Cargo.toml	1970-01-01T00:00:00+00:00
-+++ bindgen-0.49.0/Cargo.toml	2019-05-15T06:38:03.373873+00:00
-@@ -53,7 +53,7 @@
- optional = true
- 
- [dependencies.hashbrown]
--version = "0.1"
-+version = "0.3"
- 
- [dependencies.lazy_static]
- version = "1"
diff --git a/rust-bindgen.spec b/rust-bindgen.spec
index eadd5ba..b34eca4 100644
--- a/rust-bindgen.spec
+++ b/rust-bindgen.spec
@@ -1,52 +1,31 @@
-# Generated by rust2rpm 9
+# Generated by rust2rpm 10
 %bcond_without check
 
 %global crate bindgen
 
 Name:           rust-%{crate}
-Version:        0.49.0
-Release:        4%{?dist}
+Version:        0.51.0
+Release:        1%{?dist}
 Summary:        Automatically generates Rust FFI bindings to C and C++ libraries
 
 # Upstream license specification: BSD-3-Clause
 License:        BSD
 URL:            https://crates.io/crates/bindgen
 Source:         %{crates_source}
-# Initial patched metadata
-# * Update hashbrown to 0.3, upstream is switching away from hashbrown
-Patch0:         bindgen-fix-metadata.diff
 
 ExclusiveArch:  %{rust_arches}
+%if %{__cargo_skip_build}
+BuildArch:      noarch
+%endif
 
 BuildRequires:  rust-packaging
-BuildRequires:  (crate(bitflags/default) >= 1.0.3 with crate(bitflags/default) < 2.0.0)
-BuildRequires:  (crate(cexpr/default) >= 0.3.3 with crate(cexpr/default) < 0.4.0)
-BuildRequires:  (crate(cfg-if/default) >= 0.1.0 with crate(cfg-if/default) < 0.2.0)
-BuildRequires:  (crate(clang-sys/clang_6_0) >= 0.28.0 with crate(clang-sys/clang_6_0) < 0.29.0)
-BuildRequires:  (crate(clang-sys/default) >= 0.28.0 with crate(clang-sys/default) < 0.29.0)
-BuildRequires:  (crate(clang-sys/runtime) >= 0.28.0 with crate(clang-sys/runtime) < 0.29.0)
-BuildRequires:  (crate(clap/default) >= 2.0.0 with crate(clap/default) < 3.0.0)
-BuildRequires:  (crate(env_logger/default) >= 0.6.0 with crate(env_logger/default) < 0.7.0)
-BuildRequires:  (crate(hashbrown/default) >= 0.3.0 with crate(hashbrown/default) < 0.4.0)
-BuildRequires:  (crate(lazy_static/default) >= 1.0.0 with crate(lazy_static/default) < 2.0.0)
-BuildRequires:  (crate(log/default) >= 0.4.0 with crate(log/default) < 0.5.0)
-BuildRequires:  (crate(peeking_take_while/default) >= 0.1.2 with crate(peeking_take_while/default) < 0.2.0)
-BuildRequires:  (crate(proc-macro2) >= 0.4.0 with crate(proc-macro2) < 0.5.0)
-BuildRequires:  (crate(quote) >= 0.6.0 with crate(quote) < 0.7.0)
-BuildRequires:  (crate(regex/default) >= 1.0.0 with crate(regex/default) < 2.0.0)
-BuildRequires:  (crate(shlex/default) >= 0.1.0 with crate(shlex/default) < 0.2.0)
-BuildRequires:  (crate(which/default) >= 1.0.0 with crate(which/default) < 3.0.0)
-%if %{with check}
-BuildRequires:  (crate(clap/default) >= 2.0.0 with crate(clap/default) < 3.0.0)
-BuildRequires:  (crate(diff/default) >= 0.1.0 with crate(diff/default) < 0.2.0)
-BuildRequires:  (crate(shlex/default) >= 0.1.0 with crate(shlex/default) < 0.2.0)
-%endif
 
 %global _description %{expand:
 Automatically generates Rust FFI bindings to C and C++ libraries.}
 
 %description %{_description}
 
+%if ! %{__cargo_skip_build}
 %package     -n %{crate}
 Summary:        %{summary}
 
@@ -56,6 +35,7 @@ Summary:        %{summary}
 %license LICENSE
 %doc README.md
 %{_bindir}/bindgen
+%endif
 
 %package        devel
 Summary:        %{summary}
@@ -82,6 +62,18 @@ which use "default" feature of "%{crate}" crate.
 %files       -n %{name}+default-devel
 %ghost %{cargo_registry}/%{crate}-%{version}/Cargo.toml
 
+%package     -n %{name}+clap-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+clap-devel %{_description}
+
+This package contains library source intended for building other packages
+which use "clap" feature of "%{crate}" crate.
+
+%files       -n %{name}+clap-devel
+%ghost %{cargo_registry}/%{crate}-%{version}/Cargo.toml
+
 %package     -n %{name}+env_logger-devel
 Summary:        %{summary}
 BuildArch:      noarch
@@ -206,6 +198,9 @@ which use "testing_only_libclang_5" feature of "%{crate}" crate.
 %autosetup -n %{crate}-%{version_no_tilde} -p1
 %cargo_prep
 
+%generate_buildrequires
+%cargo_generate_buildrequires
+
 %build
 %cargo_build
 
@@ -218,6 +213,9 @@ which use "testing_only_libclang_5" feature of "%{crate}" crate.
 %endif
 
 %changelog
+* Wed Jul 31 18:31:15 CEST 2019 Robert-André Mauchin <zebob.m@gmail.com> - 0.51.0-1
+- Release 0.51.0
+
 * Fri Jul 26 2019 Fedora Release Engineering <releng@fedoraproject.org> - 0.49.0-4
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild
 
diff --git a/sources b/sources
index eb2b985..c1a937c 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (bindgen-0.49.0.crate) = 3b5213b30629e38e1bd4dd5a94aed1591db2519fe976e7d57f7e18c8846da343883540794a0b8c35fd68bdf35904257d022c8acedf50cf93b28c423270b2bd14
+SHA512 (bindgen-0.51.0.crate) = ca68c2ce356b2cf542249442301e35dc941c92882d44150bf672d504c57bd595e6e1a7214c913ca4bcf406eeb670bd5d3a34735816e3ab85b6a9443fbc38c4e8