diff --git a/num-bigint-0.1.41-fix-metadata.diff b/num-bigint-0.1.41-fix-metadata.diff
new file mode 100644
index 0000000..2a09721
--- /dev/null
+++ b/num-bigint-0.1.41-fix-metadata.diff
@@ -0,0 +1,20 @@
+--- num-bigint-0.1.41/Cargo.toml	1970-01-01T01:00:00+01:00
++++ num-bigint-0.1.41/Cargo.toml	2018-01-01T12:14:32.255858+01:00
+@@ -25,7 +25,7 @@
+ version = "0.1.32"
+ 
+ [dependencies.rand]
+-version = "0.3.14"
++version = "0.4"
+ optional = true
+ 
+ [dependencies.rustc-serialize]
+@@ -39,7 +39,7 @@
+ [dependencies.num-traits]
+ version = "0.1.32"
+ [dev-dependencies.rand]
+-version = "0.3.14"
++version = "0.4"
+ 
+ [features]
+ default = ["rand", "rustc-serialize"]
diff --git a/rust-num-bigint.spec b/rust-num-bigint.spec
index 81af7cd..6f541b0 100644
--- a/rust-num-bigint.spec
+++ b/rust-num-bigint.spec
@@ -6,12 +6,15 @@
 
 Name:           rust-%{crate}
 Version:        0.1.41
-Release:        1%{?dist}
+Release:        2%{?dist}
 Summary:        Big integer implementation for Rust
 
 License:        MIT or ASL 2.0
 URL:            https://crates.io/crates/num-bigint
 Source0:        https://crates.io/api/v1/crates/%{crate}/%{version}/download#/%{crate}-%{version}.crate
+# Initial patched metadata
+# * Bump rand to 0.4, https://github.com/rust-num/num-bigint/pull/11
+Patch0:         num-bigint-0.1.41-fix-metadata.diff
 
 ExclusiveArch:  %{rust_arches}
 
@@ -19,12 +22,12 @@ BuildRequires:  rust-packaging
 # [dependencies]
 BuildRequires:  (crate(num-integer) >= 0.1.32 with crate(num-integer) < 0.2.0)
 BuildRequires:  (crate(num-traits) >= 0.1.32 with crate(num-traits) < 0.2.0)
-BuildRequires:  (crate(rand) >= 0.3.14 with crate(rand) < 0.4.0)
+BuildRequires:  (crate(rand) >= 0.4.0 with crate(rand) < 0.5.0)
 BuildRequires:  (crate(rustc-serialize) >= 0.3.19 with crate(rustc-serialize) < 0.4.0)
 BuildRequires:  (crate(serde) >= 0.7.0 with crate(serde) < 0.9.0)
 %if %{with check}
 # [dev-dependencies]
-BuildRequires:  (crate(rand) >= 0.3.14 with crate(rand) < 0.4.0)
+BuildRequires:  (crate(rand) >= 0.4.0 with crate(rand) < 0.5.0)
 %endif
 
 %description
@@ -60,6 +63,9 @@ which use %{crate} from crates.io.
 %{cargo_registry}/%{crate}-%{version}/
 
 %changelog
+* Mon Jan 01 2018 Igor Gnatenko <ignatenkobrain@fedoraproject.org> - 0.1.41-2
+- Bump rand to 0.4
+
 * Sat Dec 02 2017 Igor Gnatenko <ignatenkobrain@fedoraproject.org> - 0.1.41-1
 - Update to 0.1.41