diff --git a/.gitignore b/.gitignore
index 099e37d..e8e5b2b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -11,3 +11,4 @@
 /base64-0.12.2.crate
 /base64-0.12.3.crate
 /base64-0.13.0.crate
+/base64-0.13.1.crate
diff --git a/base64-fix-metadata.diff b/base64-fix-metadata.diff
index 7751a54..4bad64a 100644
--- a/base64-fix-metadata.diff
+++ b/base64-fix-metadata.diff
@@ -1,11 +1,12 @@
---- base64-0.13.0/Cargo.toml	2020-09-30T15:20:10+00:00
-+++ base64-0.13.0/Cargo.toml	2020-11-03T17:56:54.001965+00:00
-@@ -29,7 +29,7 @@
+--- base64-0.13.1/Cargo.toml	1970-01-01T00:00:01+00:00
++++ base64-0.13.1/Cargo.toml	2022-10-27T09:23:03.138999+00:00
+@@ -38,9 +38,6 @@
  name = "benchmarks"
  harness = false
- [dev-dependencies.criterion]
--version = "=0.3.2"
-+version = "0.3.2"
  
+-[dev-dependencies.criterion]
+-version = "=0.3.2"
+-
  [dev-dependencies.rand]
  version = "0.6.1"
+ 
diff --git a/rust-base64.spec b/rust-base64.spec
index 0c53ea2..fe8fb12 100644
--- a/rust-base64.spec
+++ b/rust-base64.spec
@@ -1,28 +1,25 @@
-# Generated by rust2rpm 15
+# Generated by rust2rpm 22
 %bcond_without check
 %global debug_package %{nil}
 
 %global crate base64
 
-Name:           rust-%{crate}
-Version:        0.13.0
+Name:           rust-base64
+Version:        0.13.1
 Release:        %autorelease
 Summary:        Encodes and decodes base64 as bytes or utf8
 
 # Upstream license specification: MIT/Apache-2.0
-License:        MIT or ASL 2.0
+License:        MIT OR Apache-2.0
 URL:            https://crates.io/crates/base64
 Source:         %{crates_source}
-# Initial patched metadata
-# * relax exact criterion dependency
-Patch0:         base64-fix-metadata.diff
+# Manually created patch for downstream crate metadata changes
+# * drop unused, benchmark-only criterion dev-dependency to speed up builds
+Patch:          base64-fix-metadata.diff
 
 ExclusiveArch:  %{rust_arches}
-%if %{__cargo_skip_build}
-BuildArch:      noarch
-%endif
 
-BuildRequires:  rust-packaging
+BuildRequires:  rust-packaging >= 21
 
 %global _description %{expand:
 Encodes and decodes base64 as bytes or utf8.}
@@ -35,13 +32,15 @@ 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-MIT LICENSE-APACHE
-%doc README.md RELEASE-NOTES.md
-%{cargo_registry}/%{crate}-%{version_no_tilde}/
+%license %{crate_instdir}/LICENSE-APACHE
+%license %{crate_instdir}/LICENSE-MIT
+%doc %{crate_instdir}/README.md
+%doc %{crate_instdir}/RELEASE-NOTES.md
+%{crate_instdir}/
 
 %package     -n %{name}+default-devel
 Summary:        %{summary}
@@ -49,11 +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}+alloc-devel
 Summary:        %{summary}
@@ -61,11 +60,11 @@ BuildArch:      noarch
 
 %description -n %{name}+alloc-devel %{_description}
 
-This package contains library source intended for building other packages
-which use "alloc" feature of "%{crate}" crate.
+This package contains library source intended for building other packages which
+use the "alloc" feature of the "%{crate}" crate.
 
 %files       -n %{name}+alloc-devel
-%ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
+%ghost %{crate_instdir}/Cargo.toml
 
 %package     -n %{name}+std-devel
 Summary:        %{summary}
@@ -73,11 +72,11 @@ BuildArch:      noarch
 
 %description -n %{name}+std-devel %{_description}
 
-This package contains library source intended for building other packages
-which use "std" feature of "%{crate}" crate.
+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
diff --git a/sources b/sources
index 36c9e69..dfd767b 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (base64-0.13.0.crate) = 991a72999839daa232f508c5b24e7d3225e8a26db8d1d0e747881b115af9e408b92374e163b31e0b0d324c1c2e57e8e38d66861b61eb0a1dba87bb5871940151
+SHA512 (base64-0.13.1.crate) = 1eb76aff9a84057f2ccb7082e9c57b015c2d71a28173089b02e7aacd09a7d311bedf0a943529611ada29f8d7b536d7ae4de256d98eee8450003a3a9a652bda4b