diff --git a/.gitignore b/.gitignore
index 29727a3..6ed6d4f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 /sdd-0.2.0.crate
+/sdd-2.1.0.crate
diff --git a/rust-sdd.spec b/rust-sdd.spec
index e643e3f..1724eef 100644
--- a/rust-sdd.spec
+++ b/rust-sdd.spec
@@ -1,23 +1,26 @@
 # Generated by rust2rpm 26
-# * missing dev-dependencies: loom ^0.7
-%bcond_with check
+%bcond_without check
 %global debug_package %{nil}
 
 %global crate sdd
 
 Name:           rust-sdd
-Version:        0.2.0
+Version:        2.1.0
 Release:        %autorelease
-Summary:        Scalable lock-free memory reclaimer
+Summary:        Containers and utilities for concurrent and asynchronous programming
 
 License:        Apache-2.0
 URL:            https://crates.io/crates/sdd
 Source:         %{crates_source}
+# Manually created patch for downstream crate metadata changes
+# * drop unused, benchmark-only criterion dev-dependency
+# * drop unused, optional dependency for loom perturbation testing
+Patch:          sdd-fix-metadata.diff
 
 BuildRequires:  cargo-rpm-macros >= 24
 
 %global _description %{expand:
-Scalable lock-free memory reclaimer.}
+Scalable lock-free delayed memory reclaimer.}
 
 %description %{_description}
 
diff --git a/rust2rpm.toml b/rust2rpm.toml
index 7233db1..064b11d 100644
--- a/rust2rpm.toml
+++ b/rust2rpm.toml
@@ -1,4 +1,7 @@
-[tests]
-run = ["none"]
-comments = ["missing dev-dependencies: loom ^0.7"] 
+[package]
+summary = "Containers and utilities for concurrent and asynchronous programming"
+cargo-toml-patch-comments = [
+    "drop unused, benchmark-only criterion dev-dependency",
+    "drop unused, optional dependency for loom perturbation testing",
+]
 
diff --git a/sdd-fix-metadata.diff b/sdd-fix-metadata.diff
new file mode 100644
index 0000000..84ca6c3
--- /dev/null
+++ b/sdd-fix-metadata.diff
@@ -0,0 +1,19 @@
+--- sdd-2.1.0/Cargo.toml	1970-01-01T00:00:01+00:00
++++ sdd-2.1.0/Cargo.toml	2024-08-02T18:44:11.113288+00:00
+@@ -33,16 +33,5 @@
+ license = "Apache-2.0"
+ repository = "https://github.com/wvwwvwwv/scalable-delayed-dealloc/"
+ 
+-[[bench]]
+-name = "ebr"
+-harness = false
+-
+-[dependencies.loom]
+-version = "0.7"
+-optional = true
+-
+-[dev-dependencies.criterion]
+-version = "0.5"
+-
+ [dev-dependencies.static_assertions]
+ version = "1.1"
diff --git a/sources b/sources
index 1cbc7d3..cb236fc 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (sdd-0.2.0.crate) = 851040ba93361673ffc193aef83b0b467f46d1c1d8df2230fcb8a31fa1b0264db95a7df78f4e61f53a2fa9d77547eac450e711247b1cef9490ebe8d1bdb14d55
+SHA512 (sdd-2.1.0.crate) = 58a86a837d2af2be43a4a4adc03d3de3a43f42d25dd685cb334ab53cbcc40a4f159c9266bb37d95a1676da334d8a58bf6cc2153fb09675b1fc27f25ee5a0b655