diff --git a/once_cell-fix-metadata.diff b/once_cell-fix-metadata.diff
index 2bfda04..07aca46 100644
--- a/once_cell-fix-metadata.diff
+++ b/once_cell-fix-metadata.diff
@@ -1,5 +1,5 @@
---- once_cell-0.1.8/Cargo.toml	1970-01-01T01:00:00+01:00
-+++ once_cell-0.1.8/Cargo.toml	2019-02-12T08:54:21.124719+01:00
+--- once_cell-0.1.8/Cargo.toml	1970-01-01T00:00:00+00:00
++++ once_cell-0.1.8/Cargo.toml	2019-05-07T05:37:53.908717+00:00
 @@ -14,7 +14,7 @@
  name = "once_cell"
  version = "0.1.8"
@@ -9,3 +9,12 @@
  description = "Single assignment cells and lazy static values without macros."
  documentation = "https://docs.rs/once_cell"
  readme = "README.md"
+@@ -23,7 +23,7 @@
+ license = "MIT OR Apache-2.0"
+ repository = "https://github.com/matklad/once_cell"
+ [dependencies.parking_lot]
+-version = "0.7.1"
++version = "0.8"
+ optional = true
+ default_features = false
+ [dev-dependencies.crossbeam-utils]
diff --git a/rust-once_cell.spec b/rust-once_cell.spec
index 1370022..849bcaf 100644
--- a/rust-once_cell.spec
+++ b/rust-once_cell.spec
@@ -1,5 +1,4 @@
-# Generated by rust2rpm
-# * Tests are run in infrastructure
+# Generated by rust2rpm-9-1.fc31
 %bcond_with check
 %global debug_package %{nil}
 
@@ -7,7 +6,7 @@
 
 Name:           rust-%{crate}
 Version:        0.1.8
-Release:        2%{?dist}
+Release:        3%{?dist}
 Summary:        Single assignment cells and lazy static values without macros
 
 # Upstream license specification: MIT OR Apache-2.0
@@ -15,13 +14,14 @@ License:        MIT or ASL 2.0
 URL:            https://crates.io/crates/once_cell
 Source:         %{crates_source}
 # Initial patched metadata
-# * Exclude unnecessary files
+# * Exclude unnecessary files, https://github.com/matklad/once_cell/pull/12
+# * Update parking_lot to 0.8, https://github.com/matklad/once_cell/pull/11
 Patch0:         once_cell-fix-metadata.diff
 
 ExclusiveArch:  %{rust_arches}
 
 BuildRequires:  rust-packaging
-BuildRequires:  (crate(parking_lot) >= 0.7.1 with crate(parking_lot) < 0.8.0)
+BuildRequires:  (crate(parking_lot) >= 0.8.0 with crate(parking_lot) < 0.9.0)
 %if %{with check}
 BuildRequires:  (crate(crossbeam-utils/default) >= 0.6.0 with crate(crossbeam-utils/default) < 0.7.0)
 %endif
@@ -85,6 +85,9 @@ which use "parking_lot" feature of "%{crate}" crate.
 %endif
 
 %changelog
+* Tue May 07 07:37:55 CEST 2019 Igor Gnatenko <ignatenkobrain@fedoraproject.org> - 0.1.8-1
+- Update parking_lot to 0.8
+
 * Tue Feb 12 2019 Igor Gnatenko <ignatenkobrain@fedoraproject.org> - 0.1.8-2
 - Adapt to new packaging