diff --git a/.gitignore b/.gitignore
index 5b38346..a8de11c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,4 @@
 /rand_core-0.3.0.crate
 /rand_core-0.4.0.crate
 /rand_core-0.5.0.crate
+/rand_core-0.5.1.crate
diff --git a/rust-rand_core.spec b/rust-rand_core.spec
index 4d60241..c204c1e 100644
--- a/rust-rand_core.spec
+++ b/rust-rand_core.spec
@@ -5,11 +5,11 @@
 %global crate rand_core
 
 Name:           rust-%{crate}
-Version:        0.5.0
+Version:        0.5.1
 Release:        1%{?dist}
 Summary:        Core random number generator traits and tools for implementation
 
-# Upstream license specification: MIT/Apache-2.0
+# Upstream license specification: MIT OR Apache-2.0
 License:        MIT or ASL 2.0
 URL:            https://crates.io/crates/rand_core
 Source:         %{crates_source}
@@ -100,18 +100,6 @@ which use "serde1" feature of "%{crate}" crate.
 %files       -n %{name}+serde1-devel
 %ghost %{cargo_registry}/%{crate}-%{version}/Cargo.toml
 
-%package     -n %{name}+serde_derive-devel
-Summary:        %{summary}
-BuildArch:      noarch
-
-%description -n %{name}+serde_derive-devel %{_description}
-
-This package contains library source intended for building other packages
-which use "serde_derive" feature of "%{crate}" crate.
-
-%files       -n %{name}+serde_derive-devel
-%ghost %{cargo_registry}/%{crate}-%{version}/Cargo.toml
-
 %package     -n %{name}+std-devel
 Summary:        %{summary}
 BuildArch:      noarch
@@ -143,6 +131,9 @@ which use "std" feature of "%{crate}" crate.
 %endif
 
 %changelog
+* Sun Sep 01 17:17:17 CEST 2019 Igor Gnatenko <ignatenkobrain@fedoraproject.org> - 0.5.1-1
+- Update to 0.5.1
+
 * Sun Aug 04 10:02:13 CEST 2019 Igor Gnatenko <ignatenkobrain@fedoraproject.org> - 0.5.0-1
 - Update to 0.5.0
 
diff --git a/sources b/sources
index 5cbc409..b97300a 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (rand_core-0.5.0.crate) = e98f9b93cf5a80c40c11e7e8faee351ef567ae7cf9db1b7789a61eea41d6509e83684da00284e6e3d0f52af08ce2a834339e652f1fd39d818a2827f6236f5d6a
+SHA512 (rand_core-0.5.1.crate) = 4f7500b35e165e6c817fdd67a50745d5497d24e554bb554705097e37258751e8755c4d6b8a69fcb5e1977708ba78620bc35d640e4e018fcd4e88d9dbdbebdcbf