diff --git a/.gitignore b/.gitignore
index 038b1ce..390f5de 100644
--- a/.gitignore
+++ b/.gitignore
@@ -17,3 +17,4 @@
 /mio-0.7.13.crate
 /mio-0.7.14.crate
 /mio-0.8.0.crate
+/mio-0.8.1.crate
diff --git a/mio-fix-metadata.diff b/mio-fix-metadata.diff
index 54a5acd..c6959e7 100644
--- a/mio-fix-metadata.diff
+++ b/mio-fix-metadata.diff
@@ -1,9 +1,18 @@
---- mio-0.8.0/Cargo.toml	1970-01-01T00:00:01+00:00
-+++ mio-0.8.0/Cargo.toml	2022-02-03T14:10:08.584099+00:00
-@@ -53,12 +53,3 @@
+--- mio-0.8.1/Cargo.toml	1970-01-01T00:00:01+00:00
++++ mio-0.8.1/Cargo.toml	2022-03-12T20:27:44.506478+00:00
+@@ -101,24 +101,5 @@
+ os-ext = ["os-poll"]
  os-poll = []
+ 
+-[target."cfg(target_os = \"wasi\")".dependencies.libc]
+-version = "0.2.86"
+-
+-[target."cfg(target_os = \"wasi\")".dependencies.wasi]
+-version = "0.11.0"
+-
  [target."cfg(unix)".dependencies.libc]
  version = "0.2.86"
+-
 -[target."cfg(windows)".dependencies.miow]
 -version = "0.3.6"
 -
@@ -12,4 +21,7 @@
 -
 -[target."cfg(windows)".dependencies.winapi]
 -version = "0.3"
--features = ["winsock2", "mswsock"]
+-features = [
+-    "winsock2",
+-    "mswsock",
+-]
diff --git a/rust-mio.spec b/rust-mio.spec
index b97a1ac..68270e7 100644
--- a/rust-mio.spec
+++ b/rust-mio.spec
@@ -1,11 +1,11 @@
-# Generated by rust2rpm 20
+# Generated by rust2rpm 21
 %bcond_without check
 %global debug_package %{nil}
 
 %global crate mio
 
 Name:           rust-%{crate}
-Version:        0.8.0
+Version:        0.8.1
 Release:        %autorelease
 Summary:        Lightweight non-blocking IO
 
@@ -14,12 +14,12 @@ License:        MIT
 URL:            https://crates.io/crates/mio
 Source:         %{crates_source}
 # Initial patched metadata
-# * drop windows-specific dependencies
+# * drop WASI- and Windows-specific dependencies
 Patch0:         mio-fix-metadata.diff
 
 ExclusiveArch:  %{rust_arches}
 
-BuildRequires:  rust-packaging
+BuildRequires:  rust-packaging >= 21
 
 %global _description %{expand:
 Lightweight non-blocking IO.}
@@ -36,9 +36,10 @@ This package contains library source intended for building other packages which
 use the "%{crate}" crate.
 
 %files          devel
-%license LICENSE
-%doc CHANGELOG.md README.md
-%{cargo_registry}/%{crate}-%{version_no_tilde}/
+%license %{crate_instdir}/LICENSE
+%doc %{crate_instdir}/CHANGELOG.md
+%doc %{crate_instdir}/README.md
+%{crate_instdir}/
 
 %package     -n %{name}+default-devel
 Summary:        %{summary}
@@ -50,7 +51,7 @@ 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}+net-devel
 Summary:        %{summary}
@@ -62,7 +63,7 @@ This package contains library source intended for building other packages which
 use the "net" feature of the "%{crate}" crate.
 
 %files       -n %{name}+net-devel
-%ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
+%ghost %{crate_instdir}/Cargo.toml
 
 %package     -n %{name}+os-ext-devel
 Summary:        %{summary}
@@ -74,7 +75,7 @@ This package contains library source intended for building other packages which
 use the "os-ext" feature of the "%{crate}" crate.
 
 %files       -n %{name}+os-ext-devel
-%ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
+%ghost %{crate_instdir}/Cargo.toml
 
 %package     -n %{name}+os-poll-devel
 Summary:        %{summary}
@@ -86,7 +87,7 @@ This package contains library source intended for building other packages which
 use the "os-poll" feature of the "%{crate}" crate.
 
 %files       -n %{name}+os-poll-devel
-%ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
+%ghost %{crate_instdir}/Cargo.toml
 
 %prep
 %autosetup -n %{crate}-%{version_no_tilde} -p1
diff --git a/sources b/sources
index b10f066..841f679 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (mio-0.8.0.crate) = b7db8f400c46937302a091a90ef05b501aaaf8cbd9b5d8a4415e140e5ad54fe745ac3248b49a6ab42399d145c01fbbdf0a69defc379caaa67f64e8b7cf160b07
+SHA512 (mio-0.8.1.crate) = 945e0970bdfbc0293248c3a26dfb84aa789737bc6e8101ec711da6006130eae5ea221e9c15b8f680f04a6b43b1ee1f42fe2d02035a8e2ccd94d78a759489d681