diff --git a/rust-tempfile.spec b/rust-tempfile.spec
index 04a3bdb..6fb3f2e 100644
--- a/rust-tempfile.spec
+++ b/rust-tempfile.spec
@@ -6,7 +6,7 @@
 
 Name:           rust-%{crate}
 Version:        2.2.0
-Release:        1%{?dist}
+Release:        2%{?dist}
 Summary:        Securely create temporary files
 
 License:        MIT or ASL 2.0
@@ -15,6 +15,7 @@ Source0:        https://crates.io/api/v1/crates/%{crate}/%{version}/download#/%{
 # Initial patched metadata
 # * No Windows
 # * No Redox
+# * Bump rand to 0.4, https://github.com/Stebalien/tempfile/pull/34
 Patch0:         tempfile-2.2.0-fix-metadata.diff
 
 ExclusiveArch:  %{rust_arches}
@@ -22,7 +23,7 @@ ExclusiveArch:  %{rust_arches}
 BuildRequires:  rust-packaging
 # [dependencies]
 BuildRequires:  (crate(libc) >= 0.2.0 with crate(libc) < 0.3.0)
-BuildRequires:  (crate(rand) >= 0.3.0 with crate(rand) < 0.4.0)
+BuildRequires:  (crate(rand) >= 0.4.0 with crate(rand) < 0.5.0)
 
 %description
 %{summary}.
@@ -59,6 +60,9 @@ which use %{crate} from crates.io.
 %exclude %{cargo_registry}/%{crate}-%{version}/appveyor.yml
 
 %changelog
+* Sun Dec 31 2017 Igor Gnatenko <ignatenkobrain@fedoraproject.org> - 2.2.0-2
+- Bump rand to 0.4
+
 * Sat Nov 04 2017 Igor Gnatenko <ignatenkobrain@fedoraproject.org> - 2.2.0-1
 - Update to 2.2.0
 
diff --git a/tempfile-2.2.0-fix-metadata.diff b/tempfile-2.2.0-fix-metadata.diff
index e718bc4..6a24029 100644
--- a/tempfile-2.2.0-fix-metadata.diff
+++ b/tempfile-2.2.0-fix-metadata.diff
@@ -1,14 +1,16 @@
 --- tempfile-2.2.0/Cargo.toml	1970-01-01T01:00:00+01:00
-+++ tempfile-2.2.0/Cargo.toml	2017-11-04T13:25:46.495088+01:00
-@@ -22,12 +22,6 @@
++++ tempfile-2.2.0/Cargo.toml	2017-12-31T15:12:36.756166+01:00
+@@ -21,13 +21,6 @@
+ license = "MIT/Apache-2.0"
  repository = "https://github.com/Stebalien/tempfile"
  [dependencies.rand]
- version = "0.3"
+-version = "0.3"
 -[target."cfg(windows)".dependencies.winapi]
 -version = "0.2"
- 
+-
 -[target."cfg(windows)".dependencies.kernel32-sys]
 -version = "0.2"
++version = "0.4"
  [target."cfg(unix)".dependencies.libc]
  version = "0.2"
 -[target."cfg(target_os = \"redox\")".dependencies.redox_syscall]