diff --git a/mio-0.6.14-fix-metadata.diff b/mio-0.6.14-fix-metadata.diff
index 11a8860..b6b9a6c 100644
--- a/mio-0.6.14-fix-metadata.diff
+++ b/mio-0.6.14-fix-metadata.diff
@@ -1,12 +1,21 @@
---- mio-0.6.14/Cargo.toml	1969-12-31T16:00:00-08:00
-+++ mio-0.6.14/Cargo.toml	2018-03-08T21:17:29.785886-08:00
-@@ -54,18 +54,6 @@
+--- mio-0.6.14/Cargo.toml	1970-01-01T01:00:00+01:00
++++ mio-0.6.14/Cargo.toml	2018-06-15T14:11:29.841047+02:00
+@@ -31,7 +31,7 @@
+ version = "0.1.1"
+ 
+ [dependencies.lazycell]
+-version = "0.6.0"
++version = "1"
+ 
+ [dependencies.log]
+ version = "0.4"
+@@ -54,18 +54,5 @@
  [features]
  default = ["with-deprecated"]
  with-deprecated = []
 -[target."cfg(target_os = \"fuchsia\")".dependencies.fuchsia-zircon]
 -version = "0.3.2"
- 
+-
 -[target."cfg(target_os = \"fuchsia\")".dependencies.fuchsia-zircon-sys]
 -version = "0.3.2"
  [target."cfg(unix)".dependencies.libc]
diff --git a/rust-mio.spec b/rust-mio.spec
index 6f8a8fd..c585130 100644
--- a/rust-mio.spec
+++ b/rust-mio.spec
@@ -7,7 +7,7 @@
 
 Name:           rust-%{crate}
 Version:        0.6.14
-Release:        1%{?dist}
+Release:        2%{?dist}
 Summary:        Lightweight non-blocking IO
 
 License:        MIT
@@ -15,6 +15,7 @@ URL:            https://crates.io/crates/mio
 Source0:        https://crates.io/api/v1/crates/%{crate}/%{version}/download#/%{crate}-%{version}.crate
 # Initial patched metadata
 # * No windows or fuchsia
+# * Bump lazycell to 1, https://github.com/carllerche/mio/pull/847
 Patch0:         mio-0.6.14-fix-metadata.diff
 
 ExclusiveArch:  %{rust_arches}
@@ -22,7 +23,7 @@ ExclusiveArch:  %{rust_arches}
 BuildRequires:  rust-packaging
 # [dependencies]
 BuildRequires:  (crate(iovec) >= 0.1.1 with crate(iovec) < 0.2.0)
-BuildRequires:  (crate(lazycell) >= 0.6.0 with crate(lazycell) < 0.7.0)
+BuildRequires:  (crate(lazycell) >= 1.0.0 with crate(lazycell) < 2.0.0)
 BuildRequires:  (crate(libc) >= 0.2.19 with crate(libc) < 0.3.0)
 BuildRequires:  (crate(log) >= 0.4.0 with crate(log) < 0.5.0)
 BuildRequires:  (crate(net2) >= 0.2.29 with crate(net2) < 0.3.0)
@@ -69,6 +70,9 @@ which use %{crate} from crates.io.
 %exclude %{cargo_registry}/%{crate}-%{version}/{appveyor.yml,ci}
 
 %changelog
+* Fri Jun 15 2018 Igor Gnatenko <ignatenkobrain@fedoraproject.org> - 0.6.14-2
+- Bump lazycell to 1
+
 * Fri Mar 09 2018 Josh Stone <jistone@redhat.com> - 0.6.14-1
 - Update to 0.6.14