diff --git a/.gitignore b/.gitignore
index 22cbf58..51dee01 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,3 +7,4 @@
 /bytecount-0.6.0.crate
 /bytecount-0.6.1.crate
 /bytecount-0.6.2.crate
+/bytecount-0.6.3.crate
diff --git a/bytecount-fix-metadata.diff b/bytecount-fix-metadata.diff
new file mode 100644
index 0000000..6298782
--- /dev/null
+++ b/bytecount-fix-metadata.diff
@@ -0,0 +1,13 @@
+--- bytecount-0.6.3/Cargo.toml	1970-01-01T00:00:01+00:00
++++ bytecount-0.6.3/Cargo.toml	2022-07-16T13:01:08.506236+00:00
+@@ -42,10 +42,6 @@
+ optional = true
+ package = "packed_simd_2"
+ 
+-[dev-dependencies.criterion]
+-version = "0.3"
+-default-features = false
+-
+ [dev-dependencies.quickcheck]
+ version = "1.0"
+ 
diff --git a/rust-bytecount.spec b/rust-bytecount.spec
index d7da46e..d5c5a0a 100644
--- a/rust-bytecount.spec
+++ b/rust-bytecount.spec
@@ -1,11 +1,11 @@
-# Generated by rust2rpm 16
+# Generated by rust2rpm 21
 %bcond_without check
 %global debug_package %{nil}
 
 %global crate bytecount
 
 Name:           rust-%{crate}
-Version:        0.6.2
+Version:        0.6.3
 Release:        %autorelease
 Summary:        Count occurrences of a given byte, or the number of UTF-8 code points
 
@@ -13,13 +13,13 @@ Summary:        Count occurrences of a given byte, or the number of UTF-8 code p
 License:        ASL 2.0 or MIT
 URL:            https://crates.io/crates/bytecount
 Source:         %{crates_source}
+# Initial patched metadata
+# * drop unused, benchmark-only criterion dev-dependency to speed up builds
+Patch0:         bytecount-fix-metadata.diff
 
 ExclusiveArch:  %{rust_arches}
-%if %{__cargo_skip_build}
-BuildArch:      noarch
-%endif
 
-BuildRequires:  rust-packaging
+BuildRequires:  rust-packaging >= 21
 
 %global _description %{expand:
 Count occurrences of a given byte, or the number of UTF-8 code points, in a
@@ -33,14 +33,14 @@ BuildArch:      noarch
 
 %description    devel %{_description}
 
-This package contains library source intended for building other packages
-which use "%{crate}" crate.
+This package contains library source intended for building other packages which
+use the "%{crate}" crate.
 
 %files          devel
-%license LICENSE.Apache2 LICENSE.MIT
-%doc README.md
-%{cargo_registry}/%{crate}-%{version_no_tilde}/
-%exclude %{cargo_registry}/%{crate}-%{version_no_tilde}/ci/
+%license %{crate_instdir}/LICENSE.Apache2
+%license %{crate_instdir}/LICENSE.MIT
+%doc %{crate_instdir}/README.md
+%{crate_instdir}/
 
 %package     -n %{name}+default-devel
 Summary:        %{summary}
@@ -48,11 +48,11 @@ BuildArch:      noarch
 
 %description -n %{name}+default-devel %{_description}
 
-This package contains library source intended for building other packages
-which use "default" feature of "%{crate}" crate.
+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}+html_report-devel
 Summary:        %{summary}
@@ -60,11 +60,11 @@ BuildArch:      noarch
 
 %description -n %{name}+html_report-devel %{_description}
 
-This package contains library source intended for building other packages
-which use "html_report" feature of "%{crate}" crate.
+This package contains library source intended for building other packages which
+use the "html_report" feature of the "%{crate}" crate.
 
 %files       -n %{name}+html_report-devel
-%ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
+%ghost %{crate_instdir}/Cargo.toml
 
 %package     -n %{name}+runtime-dispatch-simd-devel
 Summary:        %{summary}
@@ -72,11 +72,11 @@ BuildArch:      noarch
 
 %description -n %{name}+runtime-dispatch-simd-devel %{_description}
 
-This package contains library source intended for building other packages
-which use "runtime-dispatch-simd" feature of "%{crate}" crate.
+This package contains library source intended for building other packages which
+use the "runtime-dispatch-simd" feature of the "%{crate}" crate.
 
 %files       -n %{name}+runtime-dispatch-simd-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 79162cf..fa0663e 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (bytecount-0.6.2.crate) = 990460eedfd41b6b52278c9dfcac81872e755d40cb839d162bddf44a30eec3a9fd76369847f10edf6c2b2d95cbec562e9a2a6c6dce37f2ee59ca9edfe972a279
+SHA512 (bytecount-0.6.3.crate) = 0c5f424329883726589e69842d2ac0767dc0b440d744a4452a14cbd449b8ca2e8117fa2978b4aa9b803a1a7cf79e9cf67e948057e8ee521e2422ca2e145ea670