diff --git a/.gitignore b/.gitignore
index 0166c4b..27bbc20 100644
--- a/.gitignore
+++ b/.gitignore
@@ -9,3 +9,4 @@
 /cxxbridge-macro-1.0.65.crate
 /cxxbridge-macro-1.0.66.crate
 /cxxbridge-macro-1.0.67.crate
+/cxxbridge-macro-1.0.68.crate
diff --git a/rust-cxxbridge-macro.spec b/rust-cxxbridge-macro.spec
index 4fddf55..d938c6f 100644
--- a/rust-cxxbridge-macro.spec
+++ b/rust-cxxbridge-macro.spec
@@ -1,4 +1,4 @@
-# Generated by rust2rpm 20
+# Generated by rust2rpm 21
 # * resolve dependency loop with cxx
 %bcond_with check
 %global debug_package %{nil}
@@ -6,7 +6,7 @@
 %global crate cxxbridge-macro
 
 Name:           rust-%{crate}
-Version:        1.0.67
+Version:        1.0.68
 Release:        %autorelease
 Summary:        Implementation detail of the cxx crate
 
@@ -17,7 +17,7 @@ Source:         %{crates_source}
 
 ExclusiveArch:  %{rust_arches}
 
-BuildRequires:  rust-packaging
+BuildRequires:  rust-packaging >= 21
 
 %global _description %{expand:
 Implementation detail of the `cxx` crate.}
@@ -34,8 +34,9 @@ This package contains library source intended for building other packages which
 use the "%{crate}" crate.
 
 %files          devel
-%license LICENSE-APACHE LICENSE-MIT
-%{cargo_registry}/%{crate}-%{version_no_tilde}/
+%license %{crate_instdir}/LICENSE-APACHE
+%license %{crate_instdir}/LICENSE-MIT
+%{crate_instdir}/
 
 %package     -n %{name}+default-devel
 Summary:        %{summary}
@@ -47,7 +48,7 @@ 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}+clang-ast-devel
 Summary:        %{summary}
@@ -59,7 +60,7 @@ This package contains library source intended for building other packages which
 use the "clang-ast" feature of the "%{crate}" crate.
 
 %files       -n %{name}+clang-ast-devel
-%ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
+%ghost %{crate_instdir}/Cargo.toml
 
 %package     -n %{name}+experimental-async-fn-devel
 Summary:        %{summary}
@@ -71,7 +72,7 @@ This package contains library source intended for building other packages which
 use the "experimental-async-fn" feature of the "%{crate}" crate.
 
 %files       -n %{name}+experimental-async-fn-devel
-%ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
+%ghost %{crate_instdir}/Cargo.toml
 
 %package     -n %{name}+experimental-enum-variants-from-header-devel
 Summary:        %{summary}
@@ -83,7 +84,7 @@ This package contains library source intended for building other packages which
 use the "experimental-enum-variants-from-header" feature of the "%{crate}" crate.
 
 %files       -n %{name}+experimental-enum-variants-from-header-devel
-%ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
+%ghost %{crate_instdir}/Cargo.toml
 
 %package     -n %{name}+flate2-devel
 Summary:        %{summary}
@@ -95,7 +96,7 @@ This package contains library source intended for building other packages which
 use the "flate2" feature of the "%{crate}" crate.
 
 %files       -n %{name}+flate2-devel
-%ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
+%ghost %{crate_instdir}/Cargo.toml
 
 %package     -n %{name}+memmap-devel
 Summary:        %{summary}
@@ -107,7 +108,7 @@ This package contains library source intended for building other packages which
 use the "memmap" feature of the "%{crate}" crate.
 
 %files       -n %{name}+memmap-devel
-%ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
+%ghost %{crate_instdir}/Cargo.toml
 
 %package     -n %{name}+serde-devel
 Summary:        %{summary}
@@ -119,7 +120,7 @@ This package contains library source intended for building other packages which
 use the "serde" feature of the "%{crate}" crate.
 
 %files       -n %{name}+serde-devel
-%ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
+%ghost %{crate_instdir}/Cargo.toml
 
 %package     -n %{name}+serde_json-devel
 Summary:        %{summary}
@@ -131,7 +132,7 @@ This package contains library source intended for building other packages which
 use the "serde_json" feature of the "%{crate}" crate.
 
 %files       -n %{name}+serde_json-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 46ba68e..c8b5d25 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (cxxbridge-macro-1.0.67.crate) = 0f286c264a1cd8f54cfd6f6c200ea6689f9f9f92d714c994deb3f3f4fcbb6058ac6954ee6120cf6e8ccfa3a6d187d0231c99306e9d78f85c6f2f17283bf118c9
+SHA512 (cxxbridge-macro-1.0.68.crate) = 56e4be8bb3ace1df32fc4137e51480d476034f27e9c277bda0c0db4e1fff1ef163d4a5855e0228da843d852b4ccf1ad140a998236768cc4d129cf1974d921c46