diff --git a/.gitignore b/.gitignore
index 28bcfce..62579cb 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 /fb_procfs-0.4.1.crate
 /fb_procfs-0.5.0.crate
+/fb_procfs-0.6.3.crate
diff --git a/fb_procfs-fix-32bit.patch b/fb_procfs-fix-32bit.patch
deleted file mode 100644
index 8abe4e1..0000000
--- a/fb_procfs-fix-32bit.patch
+++ /dev/null
@@ -1,12 +0,0 @@
-diff '--color=auto' -ruN fb_procfs-0.5.0/src/lib.rs fb_procfs-0.5.0-fix-32bit/src/lib.rs
---- fb_procfs-0.5.0/src/lib.rs	1973-11-29 13:33:09.000000000 -0800
-+++ fb_procfs-0.5.0-fix-32bit/src/lib.rs	2022-02-17 10:01:07.365184992 -0800
-@@ -385,7 +385,7 @@
-             if let Ok(stat) = sys::statvfs::statvfs(Path::new(&mount_point)) {
-                 let disk_usage = ((stat.blocks() - stat.blocks_available()) as f32 * 100.0)
-                     / stat.blocks() as f32;
--                let partition_size = stat.blocks() * stat.block_size() as u64;
-+                let partition_size = stat.blocks() as u64 * stat.block_size() as u64;
-                 return Some((disk_usage, partition_size));
-             }
-         }
diff --git a/fb_procfs-fix-metadata.diff b/fb_procfs-fix-metadata.diff
new file mode 100644
index 0000000..bd2049b
--- /dev/null
+++ b/fb_procfs-fix-metadata.diff
@@ -0,0 +1,11 @@
+--- fb_procfs-0.6.3/Cargo.toml	1970-01-01T00:00:01+00:00
++++ fb_procfs-0.6.3/Cargo.toml	2023-01-19T03:29:51.618270+00:00
+@@ -30,7 +30,7 @@
+ version = "0.2.135"
+ 
+ [dependencies.nix]
+-version = "0.25"
++version = "0.26"
+ 
+ [dependencies.openat]
+ version = "0.1.21"
diff --git a/rust-fb_procfs.spec b/rust-fb_procfs.spec
index e61bdc6..ba478a0 100644
--- a/rust-fb_procfs.spec
+++ b/rust-fb_procfs.spec
@@ -1,24 +1,22 @@
-# Generated by rust2rpm 20
+# Generated by rust2rpm 23
 %bcond_without check
 %global debug_package %{nil}
 
 %global crate fb_procfs
 
-Name:           rust-%{crate}
-Version:        0.5.0
+Name:           rust-fb_procfs
+Version:        0.6.3
 Release:        %autorelease
 Summary:        Crate for reading procfs
 
-# Upstream license specification: Apache-2.0
-License:        ASL 2.0
+License:        Apache-2.0
 URL:            https://crates.io/crates/fb_procfs
 Source:         %{crates_source}
-# explicit cast for statvfs blocks(), needed on non-64bit arches
-Patch:          %{crate}-fix-32bit.patch
+# Manually created patch for downstream crate metadata changes
+# * bump nix from 0.25 to 0.26
+Patch:          fb_procfs-fix-metadata.diff
 
-ExclusiveArch:  %{rust_arches}
-
-BuildRequires:  rust-packaging
+BuildRequires:  rust-packaging >= 21
 
 %global _description %{expand:
 Crate for reading procfs.}
@@ -35,9 +33,9 @@ This package contains library source intended for building other packages which
 use the "%{crate}" crate.
 
 %files          devel
-%license LICENSE
-%doc README
-%{cargo_registry}/%{crate}-%{version_no_tilde}/
+%license %{crate_instdir}/LICENSE
+%doc %{crate_instdir}/README
+%{crate_instdir}/
 
 %package     -n %{name}+default-devel
 Summary:        %{summary}
@@ -49,7 +47,7 @@ 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
 
 %prep
 %autosetup -n %{crate}-%{version_no_tilde} -p1
diff --git a/sources b/sources
index 0e1a2fe..50d85ce 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (fb_procfs-0.5.0.crate) = 1b4ddfb10bf53a602172d2e8e0a59bbb38279aa182eb4de47d647f4247250aa7766ea282779ee6ce1693167c7c5e3337e1234a1bc846e0b9c094d7577433e53a
+SHA512 (fb_procfs-0.6.3.crate) = ff57555ef597b8b7d2f0c5da03586292f0ea1cf0b73e78500a35a242a68ea7ce1fe2dead45ea13d03f00ff3992f3deb6e0cb32cb410977da762b2206a1700f67