diff --git a/.gitignore b/.gitignore
index aae6927..feea0e2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,3 +4,4 @@
 /os_pipe-0.9.2.crate
 /os_pipe-1.0.0.crate
 /os_pipe-1.0.1.crate
+/os_pipe-1.1.1.crate
diff --git a/os_pipe-fix-metadata-auto.diff b/os_pipe-fix-metadata-auto.diff
new file mode 100644
index 0000000..d2d9325
--- /dev/null
+++ b/os_pipe-fix-metadata-auto.diff
@@ -0,0 +1,14 @@
+--- os_pipe-1.1.1/Cargo.toml	1970-01-01T00:00:01+00:00
++++ os_pipe-1.1.1/Cargo.toml	1970-01-01T00:00:01+00:00
+@@ -35,11 +35,3 @@
+ [target."cfg(not(windows))".dependencies.libc]
+ version = "0.2.62"
+ 
+-[target."cfg(windows)".dependencies.winapi]
+-version = "0.3.5"
+-features = [
+-    "handleapi",
+-    "namedpipeapi",
+-    "processthreadsapi",
+-    "winnt",
+-]
diff --git a/os_pipe-fix-metadata.diff b/os_pipe-fix-metadata.diff
index 40cd6a0..64fbe85 100644
--- a/os_pipe-fix-metadata.diff
+++ b/os_pipe-fix-metadata.diff
@@ -1,12 +1,10 @@
---- os_pipe-1.0.1/Cargo.toml	1970-01-01T00:00:01+00:00
-+++ os_pipe-1.0.1/Cargo.toml	2022-02-25T21:18:44.748769+00:00
-@@ -20,8 +20,6 @@
- keywords = ["pipe", "pipe2", "createpipe", "dup"]
+--- os_pipe-1.1.1/Cargo.toml	1970-01-01T00:00:01+00:00
++++ os_pipe-1.1.1/Cargo.toml	2022-10-05T10:22:35.417333+00:00
+@@ -25,6 +25,7 @@
+ ]
  license = "MIT"
  repository = "https://github.com/oconnor663/os_pipe.rs"
 +autobins = false
- [target."cfg(not(windows))".dependencies.libc]
- version = "0.2.62"
--[target."cfg(windows)".dependencies.winapi]
--version = "0.3.5"
--features = ["handleapi", "namedpipeapi", "processthreadsapi", "winnt"]
+ 
+ [package.metadata.docs.rs]
+ features = ["io_safety"]
diff --git a/rust-os_pipe.spec b/rust-os_pipe.spec
index 110d04c..99f702d 100644
--- a/rust-os_pipe.spec
+++ b/rust-os_pipe.spec
@@ -1,27 +1,27 @@
-# Generated by rust2rpm 20
+# Generated by rust2rpm 22
 # * tests require building the example binaries
 %bcond_with check
 %global debug_package %{nil}
 
 %global crate os_pipe
 
-Name:           rust-%{crate}
-Version:        1.0.1
+Name:           rust-os_pipe
+Version:        1.1.1
 Release:        %autorelease
 Summary:        Cross-platform library for opening OS pipes
 
-# Upstream license specification: MIT
 License:        MIT
 URL:            https://crates.io/crates/os_pipe
 Source:         %{crates_source}
-# Initial patched metadata
-# * drop windows-specific dependencies
+# Automatically generated patch to strip foreign dependencies
+Patch:          os_pipe-fix-metadata-auto.diff
+# Manually created patch for downstream crate metadata changes
 # * drop unwanted example binaries
-Patch0:         os_pipe-fix-metadata.diff
+Patch:          os_pipe-fix-metadata.diff
 
 ExclusiveArch:  %{rust_arches}
 
-BuildRequires:  rust-packaging
+BuildRequires:  rust-packaging >= 21
 
 %global _description %{expand:
 Cross-platform library for opening OS pipes.}
@@ -38,9 +38,9 @@ This package contains library source intended for building other packages which
 use the "%{crate}" crate.
 
 %files          devel
-%license LICENSE
-%doc README.md
-%{cargo_registry}/%{crate}-%{version_no_tilde}/
+%license %{crate_instdir}/LICENSE
+%doc %{crate_instdir}/README.md
+%{crate_instdir}/
 
 %package     -n %{name}+default-devel
 Summary:        %{summary}
@@ -52,7 +52,19 @@ This package contains library source intended for building other packages which
 use the "default" feature of the "%{crate}" crate.
 
 %files       -n %{name}+default-devel
-%ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+io_safety-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+io_safety-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "io_safety" feature of the "%{crate}" crate.
+
+%files       -n %{name}+io_safety-devel
+%ghost %{crate_instdir}/Cargo.toml
 
 %prep
 %autosetup -n %{crate}-%{version_no_tilde} -p1
diff --git a/sources b/sources
index 67700dd..a72e17f 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (os_pipe-1.0.1.crate) = 290dc63d4b8848c045f6a537be675d63e141464be0a282f21e3acd374ccd9e3a89ca86968040a6bdfb47e0fca46f667338b08d909565bbdc7dfb56e04c102d13
+SHA512 (os_pipe-1.1.1.crate) = a7922d4011e84e33f0cf4dadb86ad4cb438049fa9c171a7c8f626ff4f715b630a8f563947be6c4b0fa5a633cbd162c25061f86542be041a0d876add28fd6c7e5