diff --git a/.gitignore b/.gitignore
index 4f9311c..3e16956 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,3 +5,4 @@
 /darling-0.10.3.crate
 /darling-0.12.2.crate
 /darling-0.13.1.crate
+/darling-0.13.4.crate
diff --git a/rust-darling.spec b/rust-darling.spec
index f6d18b6..5c62746 100644
--- a/rust-darling.spec
+++ b/rust-darling.spec
@@ -1,11 +1,11 @@
-# Generated by rust2rpm 20
+# Generated by rust2rpm 21
 %bcond_without check
 %global debug_package %{nil}
 
 %global crate darling
 
 Name:           rust-%{crate}
-Version:        0.13.1
+Version:        0.13.4
 Release:        %autorelease
 Summary:        Proc-macro library for reading attributes into structs
 
@@ -16,7 +16,7 @@ Source:         %{crates_source}
 
 ExclusiveArch:  %{rust_arches}
 
-BuildRequires:  rust-packaging
+BuildRequires:  rust-packaging >= 21
 
 %global _description %{expand:
 Proc-macro library for reading attributes into structs when implementing custom
@@ -34,9 +34,10 @@ This package contains library source intended for building other packages which
 use the "%{crate}" crate.
 
 %files          devel
-%license LICENSE
-%doc CHANGELOG.md README.md
-%{cargo_registry}/%{crate}-%{version_no_tilde}/
+%license %{crate_instdir}/LICENSE
+%doc %{crate_instdir}/CHANGELOG.md
+%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}+diagnostics-devel
 Summary:        %{summary}
@@ -60,7 +61,7 @@ This package contains library source intended for building other packages which
 use the "diagnostics" feature of the "%{crate}" crate.
 
 %files       -n %{name}+diagnostics-devel
-%ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
+%ghost %{crate_instdir}/Cargo.toml
 
 %package     -n %{name}+suggestions-devel
 Summary:        %{summary}
@@ -72,7 +73,7 @@ This package contains library source intended for building other packages which
 use the "suggestions" feature of the "%{crate}" crate.
 
 %files       -n %{name}+suggestions-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 11f062f..4d95cb7 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (darling-0.13.1.crate) = 0271198be875ee1a42d14e2f34b4d26bfc8cfc4cb86361f21c0bc079aceef4ad86bbcba919d7066abb891a87549404c432df53b0ec0e96fe293408b114c5ba99
+SHA512 (darling-0.13.4.crate) = 7392896b97b80ad24d76a985f4b950668ba351498f48ef0722c783c28d43c4a4828f5f6eba7e754ca554b6662fc419e73bcb65d4b20037285a16e345fec9ef75