diff --git a/.gitignore b/.gitignore
index 10b03a1..1ab7991 100644
--- a/.gitignore
+++ b/.gitignore
@@ -9,3 +9,4 @@
 /cxx-1.0.65.crate
 /cxx-1.0.66.crate
 /cxx-1.0.67.crate
+/cxx-1.0.68.crate
diff --git a/rust-cxx.spec b/rust-cxx.spec
index 924c2ac..a2f8056 100644
--- a/rust-cxx.spec
+++ b/rust-cxx.spec
@@ -1,4 +1,4 @@
-# Generated by rust2rpm 20
+# Generated by rust2rpm 21
 # * missing dev-dependency: cxx-test-suite
 %bcond_with check
 %global debug_package %{nil}
@@ -6,7 +6,7 @@
 %global crate cxx
 
 Name:           rust-%{crate}
-Version:        1.0.67
+Version:        1.0.68
 Release:        %autorelease
 Summary:        Safe interop between Rust and C++
 
@@ -17,7 +17,7 @@ Source:         %{crates_source}
 
 ExclusiveArch:  %{rust_arches}
 
-BuildRequires:  rust-packaging
+BuildRequires:  rust-packaging >= 21
 
 %global _description %{expand:
 Safe interop between Rust and C++.}
@@ -34,9 +34,10 @@ This package contains library source intended for building other packages which
 use the "%{crate}" crate.
 
 %files          devel
-%license LICENSE-APACHE LICENSE-MIT
-%doc README.md compile_flags.txt
-%{cargo_registry}/%{crate}-%{version_no_tilde}/
+%license %{crate_instdir}/LICENSE-APACHE
+%license %{crate_instdir}/LICENSE-MIT
+%doc %{crate_instdir}/README.md
+%{crate_instdir}/
 
 %package     -n %{name}+default-devel
 Summary:        %{summary}
@@ -48,7 +49,7 @@ This package contains library source intended for building other packages which
 use the "default" feature of the "%{crate}" crate.
 
 %files       -n %{name}+default-devel
-%ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
+%ghost %{crate_instdir}/Cargo.toml
 
 %package     -n %{name}+alloc-devel
 Summary:        %{summary}
@@ -60,7 +61,7 @@ This package contains library source intended for building other packages which
 use the "alloc" feature of the "%{crate}" crate.
 
 %files       -n %{name}+alloc-devel
-%ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
+%ghost %{crate_instdir}/Cargo.toml
 
 %package     -n %{name}+c++14-devel
 Summary:        %{summary}
@@ -72,7 +73,7 @@ This package contains library source intended for building other packages which
 use the "c++14" feature of the "%{crate}" crate.
 
 %files       -n %{name}+c++14-devel
-%ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
+%ghost %{crate_instdir}/Cargo.toml
 
 %package     -n %{name}+c++17-devel
 Summary:        %{summary}
@@ -84,7 +85,7 @@ This package contains library source intended for building other packages which
 use the "c++17" feature of the "%{crate}" crate.
 
 %files       -n %{name}+c++17-devel
-%ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
+%ghost %{crate_instdir}/Cargo.toml
 
 %package     -n %{name}+c++20-devel
 Summary:        %{summary}
@@ -96,7 +97,7 @@ This package contains library source intended for building other packages which
 use the "c++20" feature of the "%{crate}" crate.
 
 %files       -n %{name}+c++20-devel
-%ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
+%ghost %{crate_instdir}/Cargo.toml
 
 %package     -n %{name}+std-devel
 Summary:        %{summary}
@@ -108,7 +109,7 @@ This package contains library source intended for building other packages which
 use the "std" feature of the "%{crate}" crate.
 
 %files       -n %{name}+std-devel
-%ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
+%ghost %{crate_instdir}/Cargo.toml
 
 %prep
 %autosetup -n %{crate}-%{version_no_tilde} -p1
diff --git a/sources b/sources
index 00db4b9..58f329c 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (cxx-1.0.67.crate) = 286406f629d9df1d3522a3ba5eac8396b32ff0f1d11ed7666e3d28322036e6053c12ef829d40c86bbff4f7e038416af291d0adde6e0e1df9cf90d836373783f4
+SHA512 (cxx-1.0.68.crate) = e312a4972f6fc3df6e05b1ef566cac086134af814becb391a79b151fa0daa66c044464ec269bb25eea05ee69f65298490addf1c9bae847c42cb505c0bc167d4e