diff --git a/.gitignore b/.gitignore
index 2718258..357d144 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 /memoffset-0.2.1.crate
+/memoffset-0.5.1.crate
diff --git a/0001-Add-allow-const_err-on-test-offset_index_out_of_boun.patch b/0001-Add-allow-const_err-on-test-offset_index_out_of_boun.patch
deleted file mode 100644
index 2a00c44..0000000
--- a/0001-Add-allow-const_err-on-test-offset_index_out_of_boun.patch
+++ /dev/null
@@ -1,27 +0,0 @@
-From 0437fd69c1de4c1f97d8cf449e6d510168cb8838 Mon Sep 17 00:00:00 2001
-From: Josh Stone <jistone@redhat.com>
-Date: Fri, 7 Sep 2018 15:40:11 -0700
-Subject: [PATCH] Add #[allow(const_err)] on test offset_index_out_of_bounds
-
-The compiler now raises a deny-by-default `const_err` lint on this test,
-which doesn't let it get to the expected `#[should_panic]`.  We can
-allow that lint in order to let the test hit the error it wants.
----
- src/offset_of.rs | 1 +
- 1 file changed, 1 insertion(+)
-
-diff --git a/src/offset_of.rs b/src/offset_of.rs
-index 61486577b061..1c981c288a2e 100644
---- a/src/offset_of.rs
-+++ b/src/offset_of.rs
-@@ -105,6 +105,7 @@ mod tests {
- 
-     #[test]
-     #[should_panic]
-+    #[allow(const_err)]
-     fn offset_index_out_of_bounds() {
-         offset_of!(Foo, b[4]);
-     }
--- 
-2.17.1
-
diff --git a/rust-memoffset.spec b/rust-memoffset.spec
index 60eb1c0..c617c75 100644
--- a/rust-memoffset.spec
+++ b/rust-memoffset.spec
@@ -5,16 +5,14 @@
 %global crate memoffset
 
 Name:           rust-%{crate}
-Version:        0.2.1
-Release:        8%{?dist}
+Version:        0.5.1
+Release:        1%{?dist}
 Summary:        Offset_of functionality for Rust structs
 
 # Upstream license specification: MIT
 License:        MIT
 URL:            https://crates.io/crates/memoffset
 Source:         %{crates_source}
-# https://github.com/Gilnaa/memoffset/pull/3
-Patch0001:      0001-Add-allow-const_err-on-test-offset_index_out_of_boun.patch
 
 ExclusiveArch:  %{rust_arches}
 %if %{__cargo_skip_build}
@@ -73,6 +71,9 @@ which use "default" feature of "%{crate}" crate.
 %endif
 
 %changelog
+* Fri Aug 30 08:55:30 CEST 2019 Igor Gnatenko <ignatenkobrain@fedoraproject.org> - 0.5.1-1
+- Update to 0.5.1
+
 * Fri Jul 26 2019 Fedora Release Engineering <releng@fedoraproject.org> - 0.2.1-8
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild
 
diff --git a/sources b/sources
index 40b07dd..1294713 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (memoffset-0.2.1.crate) = 4901eca49eb20acc53d1120548925d691d5e0a0ee899f5c26f55f8b997549cea3b819b1f9b4f5495f4bc73fbcaa386cda50cefdc0036c097c4eeca8086568530
+SHA512 (memoffset-0.5.1.crate) = 8bd14c74a65464061acc5594eb108e630e8dd7a9dedccfab0606c255bd43e7b30241ba0bea11bfa80f9afd8fdbf0879ad7d998628f938a558716ec10da31008e