diff --git a/.gitignore b/.gitignore
index d481c42..b4e0f6b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 /signature-1.3.1.crate
 /signature-1.6.4.crate
+/signature-2.1.0.crate
diff --git a/README.md b/README.md
deleted file mode 100644
index 344cfba..0000000
--- a/README.md
+++ /dev/null
@@ -1,3 +0,0 @@
-# rust-signature
-
-The rust-signature package
diff --git a/rust-signature.spec b/rust-signature.spec
index 16cdb7f..044c220 100644
--- a/rust-signature.spec
+++ b/rust-signature.spec
@@ -1,20 +1,18 @@
-# Generated by rust2rpm 22
+# Generated by rust2rpm 24
 %bcond_without check
 %global debug_package %{nil}
 
 %global crate signature
 
 Name:           rust-signature
-Version:        1.6.4
+Version:        2.1.0
 Release:        %autorelease
-Summary:        Traits for cryptographic signature algorithms (e.g
+Summary:        Traits for cryptographic signature algorithms (e.g. ECDSA, Ed25519)
 
 License:        Apache-2.0 OR MIT
 URL:            https://crates.io/crates/signature
 Source:         %{crates_source}
 
-ExclusiveArch:  %{rust_arches}
-
 BuildRequires:  rust-packaging >= 21
 
 %global _description %{expand:
@@ -50,64 +48,40 @@ use the "default" feature of the "%{crate}" crate.
 %files       -n %{name}+default-devel
 %ghost %{crate_instdir}/Cargo.toml
 
-%package     -n %{name}+derive-preview-devel
+%package     -n %{name}+alloc-devel
 Summary:        %{summary}
 BuildArch:      noarch
 
-%description -n %{name}+derive-preview-devel %{_description}
+%description -n %{name}+alloc-devel %{_description}
 
 This package contains library source intended for building other packages which
-use the "derive-preview" feature of the "%{crate}" crate.
+use the "alloc" feature of the "%{crate}" crate.
 
-%files       -n %{name}+derive-preview-devel
+%files       -n %{name}+alloc-devel
 %ghost %{crate_instdir}/Cargo.toml
 
-%package     -n %{name}+digest-devel
+%package     -n %{name}+derive-devel
 Summary:        %{summary}
 BuildArch:      noarch
 
-%description -n %{name}+digest-devel %{_description}
+%description -n %{name}+derive-devel %{_description}
 
 This package contains library source intended for building other packages which
-use the "digest" feature of the "%{crate}" crate.
+use the "derive" feature of the "%{crate}" crate.
 
-%files       -n %{name}+digest-devel
+%files       -n %{name}+derive-devel
 %ghost %{crate_instdir}/Cargo.toml
 
-%package     -n %{name}+digest-preview-devel
-Summary:        %{summary}
-BuildArch:      noarch
-
-%description -n %{name}+digest-preview-devel %{_description}
-
-This package contains library source intended for building other packages which
-use the "digest-preview" feature of the "%{crate}" crate.
-
-%files       -n %{name}+digest-preview-devel
-%ghost %{crate_instdir}/Cargo.toml
-
-%package     -n %{name}+hazmat-preview-devel
-Summary:        %{summary}
-BuildArch:      noarch
-
-%description -n %{name}+hazmat-preview-devel %{_description}
-
-This package contains library source intended for building other packages which
-use the "hazmat-preview" feature of the "%{crate}" crate.
-
-%files       -n %{name}+hazmat-preview-devel
-%ghost %{crate_instdir}/Cargo.toml
-
-%package     -n %{name}+rand-preview-devel
+%package     -n %{name}+digest-devel
 Summary:        %{summary}
 BuildArch:      noarch
 
-%description -n %{name}+rand-preview-devel %{_description}
+%description -n %{name}+digest-devel %{_description}
 
 This package contains library source intended for building other packages which
-use the "rand-preview" feature of the "%{crate}" crate.
+use the "digest" feature of the "%{crate}" crate.
 
-%files       -n %{name}+rand-preview-devel
+%files       -n %{name}+digest-devel
 %ghost %{crate_instdir}/Cargo.toml
 
 %package     -n %{name}+rand_core-devel
@@ -122,18 +96,6 @@ use the "rand_core" feature of the "%{crate}" crate.
 %files       -n %{name}+rand_core-devel
 %ghost %{crate_instdir}/Cargo.toml
 
-%package     -n %{name}+signature_derive-devel
-Summary:        %{summary}
-BuildArch:      noarch
-
-%description -n %{name}+signature_derive-devel %{_description}
-
-This package contains library source intended for building other packages which
-use the "signature_derive" feature of the "%{crate}" crate.
-
-%files       -n %{name}+signature_derive-devel
-%ghost %{crate_instdir}/Cargo.toml
-
 %package     -n %{name}+std-devel
 Summary:        %{summary}
 BuildArch:      noarch
diff --git a/sources b/sources
index 5558956..d05bf36 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (signature-1.6.4.crate) = 7409b4c26c6f569d486ceeb4648af2bfb9854cd9f35fde11ef0e17ae31cecc4293418e2d86e8101c79737a6d5cf9a8098bfbd64477ff4d2f537aed98eb3424bf
+SHA512 (signature-2.1.0.crate) = f903bd4d07bb954992f71a6f4579bbe935282a2b7154fb5090550894a32cc2981b7765f8b24f1a0ac9e41bbf7f32b99a91b8f22e6175323edac44ef43a66125d