diff --git a/byteorder-1.2.1-fix-metadata.diff b/byteorder-1.2.1-fix-metadata.diff
index ceea7f0..44941e2 100644
--- a/byteorder-1.2.1-fix-metadata.diff
+++ b/byteorder-1.2.1-fix-metadata.diff
@@ -1,11 +1,16 @@
 --- byteorder-1.2.1/Cargo.toml	1970-01-01T01:00:00+01:00
-+++ byteorder-1.2.1/Cargo.toml	2017-11-30T17:22:26.819390+01:00
-@@ -29,7 +29,7 @@
++++ byteorder-1.2.1/Cargo.toml	2017-12-31T18:36:55.522467+01:00
+@@ -29,11 +29,11 @@
  name = "byteorder"
  bench = false
  [dev-dependencies.quickcheck]
 -version = "0.4"
-+version = "0.5"
++version = "0.6"
  default-features = false
  
  [dev-dependencies.rand]
+-version = "0.3"
++version = "0.4"
+ 
+ [features]
+ default = ["std"]
diff --git a/rust-byteorder.spec b/rust-byteorder.spec
index 3aa0af5..eff5f20 100644
--- a/rust-byteorder.spec
+++ b/rust-byteorder.spec
@@ -6,14 +6,15 @@
 
 Name:           rust-%{crate}
 Version:        1.2.1
-Release:        1%{?dist}
+Release:        2%{?dist}
 Summary:        Library for reading/writing numbers in big-endian and little-endian
 
 License:        Unlicense or MIT
 URL:            https://crates.io/crates/byteorder
 Source0:        https://crates.io/api/v1/crates/%{crate}/%{version}/download#/%{crate}-%{version}.crate
 # Initial patched metadata
-# * Bump quickcheck to 0.5, https://github.com/BurntSushi/byteorder/pull/109
+# * Bump quickcheck to 0.6, https://github.com/BurntSushi/byteorder/pull/114
+# * Bump rand to 0.4, https://github.com/BurntSushi/byteorder/pull/113
 Patch0:         byteorder-1.2.1-fix-metadata.diff
 
 ExclusiveArch:  %{rust_arches}
@@ -21,8 +22,8 @@ ExclusiveArch:  %{rust_arches}
 BuildRequires:  rust-packaging
 %if %{with check}
 # [dev-dependencies]
-BuildRequires:  (crate(quickcheck) >= 0.5.0 with crate(quickcheck) < 0.6.0)
-BuildRequires:  (crate(rand) >= 0.3.0 with crate(rand) < 0.4.0)
+BuildRequires:  (crate(quickcheck) >= 0.6.0 with crate(quickcheck) < 0.7.0)
+BuildRequires:  (crate(rand) >= 0.4.0 with crate(rand) < 0.5.0)
 %endif
 
 %description
@@ -59,6 +60,9 @@ which use %{crate} from crates.io.
 %{cargo_registry}/%{crate}-%{version}/
 
 %changelog
+* Sun Dec 31 2017 Igor Gnatenko <ignatenkobrain@fedoraproject.org> - 1.2.1-2
+- Bump rand to 0.4
+
 * Thu Nov 30 2017 Igor Gnatenko <ignatenkobrain@fedoraproject.org> - 1.2.1-1
 - Update to 1.2.1