diff --git a/.gitignore b/.gitignore
index 9eb928e..917242b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,3 +8,4 @@
 /nom-4.2.3.crate
 /nom-5.0.1.crate
 /nom-5.1.0.crate
+/nom-5.1.1.crate
diff --git a/0001-chore-Update-version_check-to-0.9.patch b/0001-chore-Update-version_check-to-0.9.patch
deleted file mode 100644
index a5e94bd..0000000
--- a/0001-chore-Update-version_check-to-0.9.patch
+++ /dev/null
@@ -1,35 +0,0 @@
-From 72fbb0df336c28ecc5df02adcec512d565f845a4 Mon Sep 17 00:00:00 2001
-From: Igor Gnatenko <i.gnatenko.brain@gmail.com>
-Date: Tue, 26 Nov 2019 10:55:53 +0100
-Subject: [PATCH] chore: Update version_check to 0.9
-
-Also simplify build.rs.
-
-Signed-off-by: Igor Gnatenko <i.gnatenko.brain@gmail.com>
----
- build.rs | 10 ++--------
- 1 file changed, 2 insertions(+), 8 deletions(-)
-
-diff --git a/build.rs b/build.rs
-index 994d7f9..9743c90 100644
---- a/build.rs
-+++ b/build.rs
-@@ -1,13 +1,7 @@
- extern crate version_check;
- 
- fn main() {
--  match version_check::is_min_version("1.28.0") {
--    Some((true, _actual_version)) => {
--      println!("cargo:rustc-cfg=stable_i128");
--    }
--    Some(_) => (),
--    None => {
--      eprintln!("couldn't query version info from rustc");
--    }
-+  if version_check::is_min_version("1.28.0").unwrap_or(true) {
-+    println!("cargo:rustc-cfg=stable_i128");
-   }
- }
--- 
-2.24.0
-
diff --git a/nom-fix-metadata.diff b/nom-fix-metadata.diff
index effcd69..239a370 100644
--- a/nom-fix-metadata.diff
+++ b/nom-fix-metadata.diff
@@ -1,6 +1,6 @@
---- nom-5.0.1/Cargo.toml	1970-01-01T00:00:00+00:00
-+++ nom-5.0.1/Cargo.toml	2019-11-26T19:03:02.515466+00:00
-@@ -34,16 +34,6 @@
+--- nom-5.1.1/Cargo.toml	2020-02-24T14:11:07+00:00
++++ nom-5.1.1/Cargo.toml	2020-02-24T18:47:00.574520+00:00
+@@ -34,21 +34,6 @@
  
  [lib]
  bench = false
@@ -13,11 +13,16 @@
 -[[example]]
 -name = "s_expression"
 -path = "examples/s_expression.rs"
+-required-features = ["alloc"]
+-
+-[[example]]
+-name = "string"
+-path = "examples/string.rs"
 -required-features = ["alloc"]
  
  [[test]]
  name = "arithmetic"
-@@ -102,35 +92,6 @@
+@@ -107,41 +92,12 @@
  [[test]]
  name = "test1"
  
@@ -53,21 +58,25 @@
  [dependencies.lazy_static]
  version = "^1.0"
  optional = true
-@@ -146,16 +107,11 @@
+ 
+ [dependencies.lexical-core]
+-version = "^0.6.0"
++version = "^0.7.0"
+ optional = true
+ 
+ [dependencies.memchr]
+@@ -151,14 +107,10 @@
  [dependencies.regex]
  version = "^1.0"
  optional = true
 -[dev-dependencies.criterion]
 -version = "0.2"
--
+ 
  [dev-dependencies.doc-comment]
  version = "0.3"
  
 -[dev-dependencies.jemallocator]
 -version = "^0.1"
  [build-dependencies.version_check]
--version = "^0.1"
-+version = "0.9"
+ version = "0.9"
  
- [features]
- alloc = []
diff --git a/rust-nom.spec b/rust-nom.spec
index a6eca69..f57efdb 100644
--- a/rust-nom.spec
+++ b/rust-nom.spec
@@ -5,8 +5,8 @@
 %global crate nom
 
 Name:           rust-%{crate}
-Version:        5.1.0
-Release:        2%{?dist}
+Version:        5.1.1
+Release:        1%{?dist}
 Summary:        Byte-oriented, zero-copy, parser combinators library
 
 # Upstream license specification: MIT
@@ -15,10 +15,8 @@ URL:            https://crates.io/crates/nom
 Source:         %{crates_source}
 # Initial patched metadata
 # * the benches/examples are not included in the package
-# * Update version_check to 0.9, https://github.com/Geal/nom/pull/1073
+# * bump lexical-core to 0.7 (not upstream due to raised MSRV)
 Patch0:         nom-fix-metadata.diff
-# * Finish version_check update
-Patch0001:      0001-chore-Update-version_check-to-0.9.patch
 
 ExclusiveArch:  %{rust_arches}
 %if %{__cargo_skip_build}
@@ -173,6 +171,9 @@ which use "std" feature of "%{crate}" crate.
 %endif
 
 %changelog
+* Mon Feb 24 2020 Josh Stone <jistone@redhat.com> - 5.1.1-1
+- Update to 5.1.1
+
 * Thu Jan 30 2020 Fedora Release Engineering <releng@fedoraproject.org> - 5.1.0-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_32_Mass_Rebuild
 
diff --git a/sources b/sources
index 7a5f419..fa28a85 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (nom-5.1.0.crate) = 1dde6428224f0cf8b7169337335541fdceb8aee0fa164284919f73cc39a50c098428522901833847135aadafa7a95f29921d987544086cfc9684fe7b13a8a00b
+SHA512 (nom-5.1.1.crate) = 947ee383f906336912daec1db1d2b3ac74364a650f733594df172136683fd238fb7eeb93f6cdd6da3bea3e05a6257f244e9ac58a7311c80a1eaaa3156b80b07f