diff --git a/.gitignore b/.gitignore
index 2e573e2..160a5b3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -12,3 +12,4 @@
 /memchr-2.3.3.crate
 /memchr-2.3.4.crate
 /memchr-2.4.0.crate
+/memchr-2.4.1.crate
diff --git a/.rust2rpm.conf b/.rust2rpm.conf
new file mode 100644
index 0000000..302578b
--- /dev/null
+++ b/.rust2rpm.conf
@@ -0,0 +1,5 @@
+[DEFAULT]
+unwanted-features =
+  compiler_builtins
+  core
+  rustc-dep-of-std
diff --git a/memchr-fix-metadata.diff b/memchr-fix-metadata.diff
new file mode 100644
index 0000000..c3fde02
--- /dev/null
+++ b/memchr-fix-metadata.diff
@@ -0,0 +1,11 @@
+--- memchr-2.4.1/Cargo.toml	1970-01-01T00:00:01+00:00
++++ memchr-2.4.1/Cargo.toml	2021-08-21T09:08:55.012961+00:00
+@@ -14,7 +14,7 @@
+ name = "memchr"
+ version = "2.4.1"
+ authors = ["Andrew Gallant <jamslam@gmail.com>", "bluss"]
+-exclude = ["/bench", "/.github", "/fuzz"]
++exclude = ["/bench", "/.github", "/fuzz", "/scripts"]
+ description = "Safe interface to memchr."
+ homepage = "https://github.com/BurntSushi/memchr"
+ documentation = "https://docs.rs/memchr/"
diff --git a/rust-memchr.spec b/rust-memchr.spec
index e18ad93..6d8ec9a 100644
--- a/rust-memchr.spec
+++ b/rust-memchr.spec
@@ -1,11 +1,11 @@
-# Generated by rust2rpm 17
+# Generated by rust2rpm 18
 %bcond_without check
 %global debug_package %{nil}
 
 %global crate memchr
 
 Name:           rust-%{crate}
-Version:        2.4.0
+Version:        2.4.1
 Release:        %autorelease
 Summary:        Safe interface to memchr
 
@@ -13,6 +13,9 @@ Summary:        Safe interface to memchr
 License:        Unlicense or MIT
 URL:            https://crates.io/crates/memchr
 Source:         %{crates_source}
+# Initial patched metadata
+# * exclude scripts used for upstream development
+Patch0:         memchr-fix-metadata.diff
 
 ExclusiveArch:  %{rust_arches}
 %if %{__cargo_skip_build}
diff --git a/sources b/sources
index 26f7977..f1deb56 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (memchr-2.4.0.crate) = b142e308a5aef8e45910411789031e194349ee540c4ced0e2384d864dc1913299fb63a161ceb5228256e97d0949661b7f83a169ef9d4b78afbd9004cb7b8a2fb
+SHA512 (memchr-2.4.1.crate) = d8912e3902a2126f86159bdc998532a2890b882cbb7d59b5a470fffcad4c32281e045f2fff48a235aa4189f1928866bf3d33b699d50866ad6b6c272bba7adb11