diff --git a/im-rc-fix-metadata.diff b/im-rc-fix-metadata.diff
index 80cd480..6d5b875 100644
--- a/im-rc-fix-metadata.diff
+++ b/im-rc-fix-metadata.diff
@@ -1,26 +1,25 @@
 --- im-rc-15.1.0/Cargo.toml	1970-01-01T00:00:01+00:00
-+++ im-rc-15.1.0/Cargo.toml	2023-08-22T20:13:03.251008+00:00
-@@ -28,7 +28,7 @@
-     "rrb-tree",
- ]
- categories = ["data-structures"]
--license = "MPL-2.0+"
-+license = "MPL-2.0"
- repository = "https://github.com/bodil/im-rs"
- 
- [package.metadata.docs.rs]
-@@ -60,10 +60,6 @@
- 
- [dependencies.rayon]
++++ im-rc-15.1.0/Cargo.toml	2024-09-14T12:15:58.467147+00:00
+@@ -19,7 +19,6 @@
+ description = "Immutable collection datatypes (the fast but not thread safe version)"
+ homepage = "http://immutable.rs/"
+ documentation = "http://immutable.rs/"
+-readme = "../../README.md"
+ keywords = [
+     "immutable",
+     "persistent",
+@@ -62,10 +61,6 @@
  version = "1"
--optional = true
--
--[dependencies.refpool]
--version = "0.4"
  optional = true
  
+-[dependencies.refpool]
+-version = "0.4"
+-optional = true
+-
  [dependencies.serde]
-@@ -106,10 +102,6 @@
+ version = "1"
+ optional = true
+@@ -106,10 +101,6 @@
  
  [features]
  debug = []
diff --git a/rust-im-rc.spec b/rust-im-rc.spec
index 01abfb8..a0fbb30 100644
--- a/rust-im-rc.spec
+++ b/rust-im-rc.spec
@@ -1,4 +1,4 @@
-# Generated by rust2rpm 24
+# Generated by rust2rpm 26
 # * missing dev-dependencies: metrohash
 %bcond_with check
 %global debug_package %{nil}
@@ -10,16 +10,15 @@ Version:        15.1.0
 Release:        %autorelease
 Summary:        Immutable collection datatypes (the fast but not thread safe version)
 
-License:        MPL-2.0
+License:        MPL-2.0+
 URL:            https://crates.io/crates/im-rc
 Source:         %{crates_source}
 # Manually created patch for downstream crate metadata changes
-# * fix invalid SPDX identifier in crate license:
-#   https://github.com/bodil/im-rs/issues/210
 # * drop optional "pool" feature with missing "refpool" dependency
+# * remove reference to readme file that is not included in published crates
 Patch:          im-rc-fix-metadata.diff
 
-BuildRequires:  rust-packaging >= 21
+BuildRequires:  cargo-rpm-macros >= 24
 
 %global _description %{expand:
 Immutable collection datatypes (the fast but not thread safe version).}
@@ -127,7 +126,7 @@ use the "serde" feature of the "%{crate}" crate.
 %ghost %{crate_instdir}/Cargo.toml
 
 %prep
-%autosetup -n %{crate}-%{version_no_tilde} -p1
+%autosetup -n %{crate}-%{version} -p1
 %cargo_prep
 
 %generate_buildrequires
diff --git a/rust2rpm.toml b/rust2rpm.toml
new file mode 100644
index 0000000..638ad6c
--- /dev/null
+++ b/rust2rpm.toml
@@ -0,0 +1,10 @@
+[package]
+cargo-toml-patch-comments = [
+    "drop optional \"pool\" feature with missing \"refpool\" dependency",
+    "remove reference to readme file that is not included in published crates",
+]
+
+[tests]
+run = ["none"]
+comments = ["missing dev-dependencies: metrohash"]
+