diff --git a/.gitignore b/.gitignore
index 2addebd..91a933e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,4 @@
 /*.src.rpm
 
 /smol_str-0.1.21.crate
+/smol_str-0.1.23.crate
diff --git a/rust-smol_str.spec b/rust-smol_str.spec
index 3e703d9..eb0a1f5 100644
--- a/rust-smol_str.spec
+++ b/rust-smol_str.spec
@@ -1,11 +1,11 @@
-# Generated by rust2rpm 20
+# Generated by rust2rpm 21
 %bcond_without check
 %global debug_package %{nil}
 
 %global crate smol_str
 
 Name:           rust-%{crate}
-Version:        0.1.21
+Version:        0.1.23
 Release:        %autorelease
 Summary:        Small-string optimized string type with O(1) clone
 
@@ -16,7 +16,7 @@ Source:         %{crates_source}
 
 ExclusiveArch:  %{rust_arches}
 
-BuildRequires:  rust-packaging
+BuildRequires:  rust-packaging >= 21
 
 %global _description %{expand:
 Small-string optimized string type with O(1) clone.}
@@ -33,9 +33,10 @@ 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
-%{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}
@@ -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}+arbitrary-devel
 Summary:        %{summary}
@@ -59,7 +60,7 @@ This package contains library source intended for building other packages which
 use the "arbitrary" feature of the "%{crate}" crate.
 
 %files       -n %{name}+arbitrary-devel
-%ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
+%ghost %{crate_instdir}/Cargo.toml
 
 %package     -n %{name}+serde-devel
 Summary:        %{summary}
@@ -71,7 +72,7 @@ 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}+std-devel
 Summary:        %{summary}
@@ -83,7 +84,7 @@ 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
@@ -100,7 +101,8 @@ use the "std" feature of the "%{crate}" crate.
 
 %if %{with check}
 %check
-%cargo_test
+# * skip a test that requires running rustfmt
+%cargo_test -- -- --skip check_code_formatting
 %endif
 
 %changelog
diff --git a/sources b/sources
index 91a86be..b259c40 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (smol_str-0.1.21.crate) = b548b21b7eaba6af6173ddbed3f0e808dfc5aec31553ca30a16fe6e487bdd0f01ddf981ffd5157e083e1901780daf2642d4d807af79d4fd1bdfcb4fff778e5ce
+SHA512 (smol_str-0.1.23.crate) = 73bd2c20717bc1960021aced0c98654123dbd9b171aff5890374efedb20e4e1e2273f35f6a8d8b584ea6f31ac9da2734f0656a8da0830af0b6a4f45b7b8faba1