diff --git a/.gitignore b/.gitignore
index 84cae1b..016147d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 /cxx-0.5.10.crate
 /cxx-1.0.49.crate
 /cxx-1.0.56.crate
+/cxx-1.0.57.crate
diff --git a/rust-cxx.spec b/rust-cxx.spec
index 2075579..2789e83 100644
--- a/rust-cxx.spec
+++ b/rust-cxx.spec
@@ -1,14 +1,13 @@
-# Generated by rust2rpm 16
-
-# Missing check dependencies: cxx-test-suite
+# Generated by rust2rpm 20
+# * missing dev-dependency: cxx-test-suite
 %bcond_with check
 %global debug_package %{nil}
 
 %global crate cxx
 
 Name:           rust-%{crate}
-Version:        1.0.56
-Release:        %{autorelease}
+Version:        1.0.57
+Release:        %autorelease
 Summary:        Safe interop between Rust and C++
 
 # Upstream license specification: MIT OR Apache-2.0
@@ -17,9 +16,6 @@ URL:            https://crates.io/crates/cxx
 Source:         %{crates_source}
 
 ExclusiveArch:  %{rust_arches}
-%if %{__cargo_skip_build}
-BuildArch:      noarch
-%endif
 
 BuildRequires:  rust-packaging
 
@@ -34,13 +30,12 @@ BuildArch:      noarch
 
 %description    devel %{_description}
 
-This package contains library source intended for building other packages
-which use "%{crate}" crate.
+This package contains library source intended for building other packages which
+use the "%{crate}" crate.
 
 %files          devel
-%doc            README.md
-%license        LICENSE-APACHE
-%license        LICENSE-MIT
+%license LICENSE-APACHE LICENSE-MIT
+%doc README.md compile_flags.txt
 %{cargo_registry}/%{crate}-%{version_no_tilde}/
 
 %package     -n %{name}+default-devel
@@ -49,8 +44,8 @@ BuildArch:      noarch
 
 %description -n %{name}+default-devel %{_description}
 
-This package contains library source intended for building other packages
-which use "default" feature of "%{crate}" crate.
+This package contains library source intended for building other packages which
+use the "default" feature of the "%{crate}" crate.
 
 %files       -n %{name}+default-devel
 %ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
@@ -58,12 +53,11 @@ which use "default" feature of "%{crate}" crate.
 %package     -n %{name}+c++14-devel
 Summary:        %{summary}
 BuildArch:      noarch
-Provides:       crate(%{crate}/c++14) = %{version_no_tilde}
 
 %description -n %{name}+c++14-devel %{_description}
 
-This package contains library source intended for building other packages
-which use "c++14" feature of "%{crate}" crate.
+This package contains library source intended for building other packages which
+use the "c++14" feature of the "%{crate}" crate.
 
 %files       -n %{name}+c++14-devel
 %ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
@@ -71,12 +65,11 @@ which use "c++14" feature of "%{crate}" crate.
 %package     -n %{name}+c++17-devel
 Summary:        %{summary}
 BuildArch:      noarch
-Provides:       crate(%{crate}/c++17) = %{version_no_tilde}
 
 %description -n %{name}+c++17-devel %{_description}
 
-This package contains library source intended for building other packages
-which use "c++17" feature of "%{crate}" crate.
+This package contains library source intended for building other packages which
+use the "c++17" feature of the "%{crate}" crate.
 
 %files       -n %{name}+c++17-devel
 %ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
@@ -84,12 +77,11 @@ which use "c++17" feature of "%{crate}" crate.
 %package     -n %{name}+c++20-devel
 Summary:        %{summary}
 BuildArch:      noarch
-Provides:       crate(%{crate}/c++20) = %{version_no_tilde}
 
 %description -n %{name}+c++20-devel %{_description}
 
-This package contains library source intended for building other packages
-which use "c++20" feature of "%{crate}" crate.
+This package contains library source intended for building other packages which
+use the "c++20" feature of the "%{crate}" crate.
 
 %files       -n %{name}+c++20-devel
 %ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
diff --git a/sources b/sources
index 2b68952..69bebb4 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (cxx-1.0.56.crate) = 6882d9534a046343a1bf7b4a3cdc01bc3c4829001c5649d529afd7e42d8e177a72e1eca6b4fb9d47f0dcc816f302f5ee1907951171f8adb155dc60435167ab5c
+SHA512 (cxx-1.0.57.crate) = e6173804fee80ccca175f9ea4446bd98bd1d476a2f0477ed61be9388ca467b73501e33334ee65b692d850df8bbe0cb9a4c6bd8cbbdc34e4a8a150b8f1641899f