diff --git a/.gitignore b/.gitignore
index 762abad..b1b5cd0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,3 +5,4 @@
 /pem-1.0.2.crate
 /pem-1.1.0.crate
 /pem-1.1.1.crate
+/pem-2.0.1.crate
diff --git a/pem-fix-metadata.diff b/pem-fix-metadata.diff
index 836cbec..f746737 100644
--- a/pem-fix-metadata.diff
+++ b/pem-fix-metadata.diff
@@ -1,21 +1,23 @@
---- pem-1.1.1/Cargo.toml	2023-01-11T13:28:15+00:00
-+++ pem-1.1.1/Cargo.toml	2023-03-27T08:13:55.018205+00:00
-@@ -23,9 +23,6 @@
- license = "MIT"
+--- pem-2.0.1/Cargo.toml	1970-01-01T00:00:01+00:00
++++ pem-2.0.1/Cargo.toml	2023-06-22T15:34:42.288224+00:00
+@@ -29,10 +29,6 @@
  repository = "https://github.com/jcreekmore/pem-rs.git"
+ resolver = "2"
  
 -[[bench]]
 -name = "pem_benchmark"
 -harness = false
+-
  [dependencies.base64]
- version = "0.13.0"
- 
-@@ -33,8 +30,6 @@
+ version = "0.21.0"
+ features = ["alloc"]
+@@ -42,9 +38,6 @@
  version = "1"
- features = ["serde_derive"]
  optional = true
+ default-features = false
+-
 -[dev-dependencies.criterion]
 -version = "0.3.0"
  
- [dev-dependencies.serde_json]
+ [dev-dependencies.proptest]
  version = "1"
diff --git a/rust-pem.spec b/rust-pem.spec
index 81b3252..914ca13 100644
--- a/rust-pem.spec
+++ b/rust-pem.spec
@@ -5,7 +5,7 @@
 %global crate pem
 
 Name:           rust-pem
-Version:        1.1.1
+Version:        2.0.1
 Release:        %autorelease
 Summary:        Parse and encode PEM-encoded data
 
@@ -16,7 +16,7 @@ Source:         %{crates_source}
 # * drop unused, benchmark-only criterion dev-dependency to speed up builds
 Patch:          pem-fix-metadata.diff
 
-BuildRequires:  rust-packaging >= 21
+BuildRequires:  cargo-rpm-macros >= 24
 
 %global _description %{expand:
 Parse and encode PEM-encoded data.}
@@ -62,6 +62,18 @@ use the "serde" feature of the "%{crate}" crate.
 %files       -n %{name}+serde-devel
 %ghost %{crate_instdir}/Cargo.toml
 
+%package     -n %{name}+std-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+std-devel %{_description}
+
+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 %{crate_instdir}/Cargo.toml
+
 %prep
 %autosetup -n %{crate}-%{version_no_tilde} -p1
 %cargo_prep
diff --git a/sources b/sources
index 13949d8..52e0bd6 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (pem-1.1.1.crate) = a61105cf968db35c0136e2da5575f1f2eefeb1849e15152d6d6bbaeedec8aaa6ed7e6fd86892a4094bfae2495065b090263b760ebf4ccbe131f536963d985bd2
+SHA512 (pem-2.0.1.crate) = 245d6b70be6139a3a34ecccedbf050cf5ff686f2ccf0fb27870b768704b68555da5c1cdaf3bbf57d131ccc7182dc6f5040dda292678d0d50af66fc55c28c70ae