diff --git a/clang-sys-1.4.0.crate b/clang-sys-1.4.0.crate
new file mode 100644
index 0000000..ab04ebd
Binary files /dev/null and b/clang-sys-1.4.0.crate differ
diff --git a/clang-sys-fix-metadata.diff b/clang-sys-fix-metadata.diff
index 472b513..5377742 100644
--- a/clang-sys-fix-metadata.diff
+++ b/clang-sys-fix-metadata.diff
@@ -1,10 +1,10 @@
---- clang-sys-1.3.3/Cargo.toml	1970-01-01T00:00:01+00:00
-+++ clang-sys-1.3.3/Cargo.toml	2022-07-16T14:22:07.714470+00:00
+--- clang-sys-1.4.0/Cargo.toml	1970-01-01T00:00:01+00:00
++++ clang-sys-1.4.0/Cargo.toml	2022-10-05T11:38:27.045648+00:00
 @@ -20,6 +20,7 @@
  readme = "README.md"
  license = "Apache-2.0"
  repository = "https://github.com/KyleMayes/clang-sys"
 +exclude = ["/clippy.toml"]
+ 
  [package.metadata.docs.rs]
- features = ["clang_13_0", "runtime"]
- [dependencies.glob]
+ features = [
diff --git a/rust-clang-sys.spec b/rust-clang-sys.spec
index e18813d..d209406 100644
--- a/rust-clang-sys.spec
+++ b/rust-clang-sys.spec
@@ -1,21 +1,20 @@
-# Generated by rust2rpm 21
+# Generated by rust2rpm 22
 %bcond_without check
 %global debug_package %{nil}
 
 %global crate clang-sys
 
-Name:           rust-%{crate}
-Version:        1.3.3
+Name:           rust-clang-sys
+Version:        1.4.0
 Release:        %autorelease
 Summary:        Rust bindings for libclang
 
-# Upstream license specification: Apache-2.0
-License:        ASL 2.0
+License:        Apache-2.0
 URL:            https://crates.io/crates/clang-sys
 Source:         %{crates_source}
-# Initial patched metadata
-# * exclude unnecessary files
-Patch0:         clang-sys-fix-metadata.diff
+# Manually created patch for downstream crate metadata changes
+# * exclude files that are only useful for upstream development
+Patch:          clang-sys-fix-metadata.diff
 
 ExclusiveArch:  %{rust_arches}
 
@@ -106,6 +105,32 @@ use the "clang_13_0" feature of the "%{crate}" crate.
 %files       -n %{name}+clang_13_0-devel
 %ghost %{crate_instdir}/Cargo.toml
 
+%package     -n %{name}+clang_14_0-devel
+Summary:        %{summary}
+BuildArch:      noarch
+Requires:       clang-devel >= 14.0
+
+%description -n %{name}+clang_14_0-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "clang_14_0" feature of the "%{crate}" crate.
+
+%files       -n %{name}+clang_14_0-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+clang_15_0-devel
+Summary:        %{summary}
+BuildArch:      noarch
+Requires:       clang-devel >= 15.0
+
+%description -n %{name}+clang_15_0-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "clang_15_0" feature of the "%{crate}" crate.
+
+%files       -n %{name}+clang_15_0-devel
+%ghost %{crate_instdir}/Cargo.toml
+
 %package     -n %{name}+clang_3_5-devel
 Summary:        %{summary}
 BuildArch:      noarch
diff --git a/.rust2rpm.conf b/rust2rpm.conf
similarity index 85%
rename from .rust2rpm.conf
rename to rust2rpm.conf
index 71b6e79..8b6cc3e 100644
--- a/.rust2rpm.conf
+++ b/rust2rpm.conf
@@ -1,4 +1,6 @@
 [DEFAULT]
+unwanted-features =
+  clang_16_0  
 buildrequires =
   clang-devel >= 3.5
 lib+default.requires =
@@ -33,3 +35,7 @@ lib+clang_12_0.requires =
   clang-devel >= 12.0
 lib+clang_13_0.requires =
   clang-devel >= 13.0
+lib+clang_14_0.requires =
+  clang-devel >= 14.0
+lib+clang_15_0.requires =
+  clang-devel >= 15.0