diff --git a/.gitignore b/.gitignore
index 04f570a..644669c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,4 @@
 /*.src.rpm
 
 /password-hash-0.3.2.crate
+/password-hash-0.4.2.crate
diff --git a/password-hash-fix-metadata.diff b/password-hash-fix-metadata.diff
deleted file mode 100644
index 29d62a4..0000000
--- a/password-hash-fix-metadata.diff
+++ /dev/null
@@ -1,20 +0,0 @@
---- password-hash-0.3.2/Cargo.toml	1970-01-01T00:00:01+00:00
-+++ password-hash-0.3.2/Cargo.toml	2021-12-13T17:22:30.987558+00:00
-@@ -25,7 +25,7 @@
- all-features = true
- rustc-args = ["--cfg", "docsrs"]
- [dependencies.base64ct]
--version = ">=1, <1.1.0"
-+version = "1"
- 
- [dependencies.rand_core]
- version = "0.6"
-@@ -33,7 +33,7 @@
- default-features = false
- 
- [dependencies.subtle]
--version = ">=2, <2.5"
-+version = "2"
- default-features = false
- 
- [features]
diff --git a/rust-password-hash.spec b/rust-password-hash.spec
index cb78530..71561a3 100644
--- a/rust-password-hash.spec
+++ b/rust-password-hash.spec
@@ -1,30 +1,24 @@
-# Generated by rust2rpm 20
+# Generated by rust2rpm 24
 %bcond_without check
 %global debug_package %{nil}
 
 %global crate password-hash
 
-Name:           rust-%{crate}
-Version:        0.3.2
+Name:           rust-password-hash
+Version:        0.4.2
 Release:        %autorelease
-Summary:        Traits which describe password hashing algorithms
+Summary:        Traits which describe the functionality of password hashing algorithms, as well as a no_std-friendly implementation of the PHC string format
 
-# Upstream license specification: MIT OR Apache-2.0
-License:        MIT or ASL 2.0
+License:        MIT OR Apache-2.0
 URL:            https://crates.io/crates/password-hash
 Source:         %{crates_source}
-# Initial patched metadata
-# * relax base64ct and subtle dependencies (MSRV is irrelevant in Fedora)
-Patch0:         password-hash-fix-metadata.diff
 
-ExclusiveArch:  %{rust_arches}
-
-BuildRequires:  rust-packaging
+BuildRequires:  rust-packaging >= 21
 
 %global _description %{expand:
-Traits which describe the functionality of password hashing algorithms, as well
-as a `no_std`-friendly implementation of the PHC string format (a well-defined
-subset of the Modular Crypt Format a.k.a. MCF).}
+Traits which describe the functionality of password hashing algorithms,
+as well as a `no_std`-friendly implementation of the PHC string format
+(a well-defined subset of the Modular Crypt Format a.k.a. MCF).}
 
 %description %{_description}
 
@@ -38,9 +32,11 @@ This package contains library source intended for building other packages which
 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}
@@ -52,7 +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}+alloc-devel
 Summary:        %{summary}
@@ -64,7 +60,7 @@ 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}+rand_core-devel
 Summary:        %{summary}
@@ -76,7 +72,7 @@ This package contains library source intended for building other packages which
 use the "rand_core" feature of the "%{crate}" crate.
 
 %files       -n %{name}+rand_core-devel
-%ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
+%ghost %{crate_instdir}/Cargo.toml
 
 %package     -n %{name}+std-devel
 Summary:        %{summary}
@@ -88,7 +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
diff --git a/sources b/sources
index 4ae4cf4..64bbc86 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (password-hash-0.3.2.crate) = 157cf50896c28d5a73670fe2ea9e00ceb10acd3d2c9abb13b86f0b16d3fd8c56767d5732cb997b52702432b0c25d4591d1263e24c312d0fef25a328ea0dd940d
+SHA512 (password-hash-0.4.2.crate) = f6b7da81fa172ed37229894c426965182be1a445ccaba4351b91ce43ff1ab8cacd205b321721df49dd43ba17dc6a77e9b7cccc3a0c396572aa7ad642af44926d