diff --git a/.gitignore b/.gitignore
index 58acdbf..66c0401 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,3 +8,5 @@
 /parking_lot-0.11.0.crate
 /parking_lot-0.11.1.crate
 /parking_lot-0.11.2.crate
+/parking_lot-0.12.0.crate
+/parking_lot-0.12.1.crate
diff --git a/.rust2rpm.conf b/.rust2rpm.conf
deleted file mode 100644
index a94dc77..0000000
--- a/.rust2rpm.conf
+++ /dev/null
@@ -1,5 +0,0 @@
-[DEFAULT]
-unwanted-features =
-  nightly
-  stdweb
-  wasm-bindgen
diff --git a/rust-parking_lot.spec b/rust-parking_lot.spec
index 7a11106..7954d45 100644
--- a/rust-parking_lot.spec
+++ b/rust-parking_lot.spec
@@ -1,25 +1,22 @@
-# Generated by rust2rpm 19
+# Generated by rust2rpm 21
 %bcond_without check
 %global debug_package %{nil}
 
 %global crate parking_lot
 
 Name:           rust-%{crate}
-Version:        0.11.2
+Version:        0.12.1
 Release:        %autorelease
 Summary:        Compact and efficient implementations of standard synchronization primitives
 
-# Upstream license specification: Apache-2.0/MIT
-License:        ASL 2.0 or MIT
+# Upstream license specification: MIT OR Apache-2.0
+License:        MIT or ASL 2.0
 URL:            https://crates.io/crates/parking_lot
 Source:         %{crates_source}
 
 ExclusiveArch:  %{rust_arches}
-%if %{__cargo_skip_build}
-BuildArch:      noarch
-%endif
 
-BuildRequires:  rust-packaging
+BuildRequires:  rust-packaging >= 21
 
 %global _description %{expand:
 More compact and efficient implementations of the standard synchronization
@@ -34,12 +31,14 @@ BuildArch:      noarch
 %description    devel %{_description}
 
 This package contains library source intended for building other packages which
-use "%{crate}" crate.
+use the "%{crate}" crate.
 
 %files          devel
-%license LICENSE-APACHE LICENSE-MIT
-%doc CHANGELOG.md README.md
-%{cargo_registry}/%{crate}-%{version_no_tilde}/
+%license %{crate_instdir}/LICENSE-APACHE
+%license %{crate_instdir}/LICENSE-MIT
+%doc %{crate_instdir}/CHANGELOG.md
+%doc %{crate_instdir}/README.md
+%{crate_instdir}/
 
 %package     -n %{name}+default-devel
 Summary:        %{summary}
@@ -48,10 +47,10 @@ BuildArch:      noarch
 %description -n %{name}+default-devel %{_description}
 
 This package contains library source intended for building other packages which
-use "the default" feature of the "%{crate}" crate.
+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}+arc_lock-devel
 Summary:        %{summary}
@@ -60,10 +59,10 @@ BuildArch:      noarch
 %description -n %{name}+arc_lock-devel %{_description}
 
 This package contains library source intended for building other packages which
-use "the arc_lock" feature of the "%{crate}" crate.
+use the "arc_lock" feature of the "%{crate}" crate.
 
 %files       -n %{name}+arc_lock-devel
-%ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
+%ghost %{crate_instdir}/Cargo.toml
 
 %package     -n %{name}+deadlock_detection-devel
 Summary:        %{summary}
@@ -72,10 +71,34 @@ BuildArch:      noarch
 %description -n %{name}+deadlock_detection-devel %{_description}
 
 This package contains library source intended for building other packages which
-use "the deadlock_detection" feature of the "%{crate}" crate.
+use the "deadlock_detection" feature of the "%{crate}" crate.
 
 %files       -n %{name}+deadlock_detection-devel
-%ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+hardware-lock-elision-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+hardware-lock-elision-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "hardware-lock-elision" feature of the "%{crate}" crate.
+
+%files       -n %{name}+hardware-lock-elision-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+nightly-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+nightly-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "nightly" feature of the "%{crate}" crate.
+
+%files       -n %{name}+nightly-devel
+%ghost %{crate_instdir}/Cargo.toml
 
 %package     -n %{name}+owning_ref-devel
 Summary:        %{summary}
@@ -84,10 +107,10 @@ BuildArch:      noarch
 %description -n %{name}+owning_ref-devel %{_description}
 
 This package contains library source intended for building other packages which
-use "the owning_ref" feature of the "%{crate}" crate.
+use the "owning_ref" feature of the "%{crate}" crate.
 
 %files       -n %{name}+owning_ref-devel
-%ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
+%ghost %{crate_instdir}/Cargo.toml
 
 %package     -n %{name}+send_guard-devel
 Summary:        %{summary}
@@ -96,10 +119,10 @@ BuildArch:      noarch
 %description -n %{name}+send_guard-devel %{_description}
 
 This package contains library source intended for building other packages which
-use "the send_guard" feature of the "%{crate}" crate.
+use the "send_guard" feature of the "%{crate}" crate.
 
 %files       -n %{name}+send_guard-devel
-%ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
+%ghost %{crate_instdir}/Cargo.toml
 
 %package     -n %{name}+serde-devel
 Summary:        %{summary}
@@ -108,10 +131,10 @@ BuildArch:      noarch
 %description -n %{name}+serde-devel %{_description}
 
 This package contains library source intended for building other packages which
-use "the serde" feature of the "%{crate}" crate.
+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
 
 %prep
 %autosetup -n %{crate}-%{version_no_tilde} -p1
diff --git a/sources b/sources
index bc499c4..7781596 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (parking_lot-0.11.2.crate) = 526b176363dffa59501c18324bb723a3846ef5b0ff9bf1d890e40ad10e7023284f7c8012eda87520eaa94515ee828d9ef52692a9ed590a55e176383d6d472f9e
+SHA512 (parking_lot-0.12.1.crate) = 07327d3b737a913508dffb66023766348ce7f9d555c224a099cabb05baefd16a28e15fec638e3a148a5169dbd980c4541b0f8820ae9d06dfe0704482838fbd5c