diff --git a/.gitignore b/.gitignore
index b379527..9f5a9d8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -18,3 +18,4 @@
 /libc-0.2.50.crate
 /libc-0.2.51.crate
 /libc-0.2.54.crate
+/libc-0.2.57.crate
diff --git a/rust-libc.spec b/rust-libc.spec
index 9257ed7..66c194e 100644
--- a/rust-libc.spec
+++ b/rust-libc.spec
@@ -1,4 +1,4 @@
-# Generated by rust2rpm
+# Generated by rust2rpm-9-1.fc30
 # * Tests are run in infrastructure
 %bcond_with check
 %global debug_package %{nil}
@@ -6,7 +6,7 @@
 %global crate libc
 
 Name:           rust-%{crate}
-Version:        0.2.54
+Version:        0.2.57
 Release:        1%{?dist}
 Summary:        Raw FFI bindings to platform libraries like libc
 
@@ -76,6 +76,18 @@ which use "extra_traits" feature of "%{crate}" crate.
 %files       -n %{name}+extra_traits-devel
 %ghost %{cargo_registry}/%{crate}-%{version}/Cargo.toml
 
+%package     -n %{name}+std-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+std-devel %{_description}
+
+This package contains library source intended for building other packages
+which use "std" feature of "%{crate}" crate.
+
+%files       -n %{name}+std-devel
+%ghost %{cargo_registry}/%{crate}-%{version}/Cargo.toml
+
 %package     -n %{name}+use_std-devel
 Summary:        %{summary}
 BuildArch:      noarch
@@ -104,6 +116,9 @@ which use "use_std" feature of "%{crate}" crate.
 %endif
 
 %changelog
+* Sat Jun 01 2019 Josh Stone <jistone@redhat.com> - 0.2.57-1
+- Update to 0.2.57
+
 * Thu May 02 2019 Josh Stone <jistone@redhat.com> - 0.2.54-1
 - Update to 0.2.54
 
diff --git a/sources b/sources
index ee1d4fd..d03aadf 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (libc-0.2.54.crate) = 46f0263b227b107aedbd3c4171d8b3fe60ea9c2413ba9fc4cf3f4f8b92090b7aeec630b687ff55ae4507ff44144dad393a3912c6fc81f8864e630c0f15196cb8
+SHA512 (libc-0.2.57.crate) = 8f210c0e28d647cd2911ad2b7d2450b6e8ea3d628c0cc68000109a7bfdd64fa31706ed7e9bda0f71b920b38a3580fce3d53fe49e9cc53b6ab9e3aeb2eae0cb8e