diff --git a/.gitignore b/.gitignore
index 518153b..ea29ae2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,4 @@
 /curl-sys-0.4.1.crate
 /curl-sys-0.4.2.crate
 /curl-sys-0.4.5.crate
+/curl-sys-0.4.6.crate
diff --git a/curl-sys-0.4.2-fix-metadata.diff b/curl-sys-0.4.6-fix-metadata.diff
similarity index 75%
rename from curl-sys-0.4.2-fix-metadata.diff
rename to curl-sys-0.4.6-fix-metadata.diff
index 48531ce..ce0c895 100644
--- a/curl-sys-0.4.2-fix-metadata.diff
+++ b/curl-sys-0.4.6-fix-metadata.diff
@@ -1,5 +1,5 @@
---- curl-sys-0.4.2/Cargo.toml	1969-12-31T16:00:00-08:00
-+++ curl-sys-0.4.2/Cargo.toml	2018-04-16T15:04:06.350221-07:00
+--- curl-sys-0.4.6/Cargo.toml	1970-01-01T01:00:00+01:00
++++ curl-sys-0.4.6/Cargo.toml	2018-07-14T09:33:42.182149+02:00
 @@ -37,11 +37,6 @@
  version = "0.3.2"
  [target."cfg(all(unix, not(target_os = \"macos\")))".dependencies.openssl-sys]
diff --git a/rust-curl-sys.spec b/rust-curl-sys.spec
index 46254d8..cb908ee 100644
--- a/rust-curl-sys.spec
+++ b/rust-curl-sys.spec
@@ -5,8 +5,8 @@
 %global crate curl-sys
 
 Name:           rust-%{crate}
-Version:        0.4.5
-Release:        2%{?dist}
+Version:        0.4.6
+Release:        1%{?dist}
 Summary:        Native bindings to the libcurl library
 
 License:        MIT
@@ -14,14 +14,14 @@ URL:            https://crates.io/crates/curl-sys
 Source0:        https://crates.io/api/v1/crates/%{crate}/%{version}/download#/%{crate}-%{version}.crate
 # Initial patched metadata
 # * No windows
-Patch0:         curl-sys-0.4.2-fix-metadata.diff
+Patch0:         curl-sys-0.4.6-fix-metadata.diff
 
 ExclusiveArch:  %{rust_arches}
 
 BuildRequires:  rust-packaging
 # [dependencies]
 BuildRequires:  (crate(libc) >= 0.2.2 with crate(libc) < 0.3.0)
-BuildRequires:  crate(libz-sys) >= 0.1.2
+BuildRequires:  (crate(libz-sys) >= 1.0.18 with crate(libz-sys) < 2.0.0)
 BuildRequires:  (crate(openssl-sys) >= 0.9.0 with crate(openssl-sys) < 0.10.0)
 # [build-dependencies]
 BuildRequires:  (crate(cc) >= 1.0.0 with crate(cc) < 2.0.0)
@@ -64,6 +64,9 @@ rm -vrf curl
 %{cargo_registry}/%{crate}-%{version}/
 
 %changelog
+* Sat Jul 14 2018 Igor Gnatenko <ignatenkobrain@fedoraproject.org> - 0.4.6-1
+- Update to 0.4.6
+
 * Sat Jul 14 2018 Fedora Release Engineering <releng@fedoraproject.org> - 0.4.5-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_29_Mass_Rebuild
 
diff --git a/sources b/sources
index 2461f08..7200996 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (curl-sys-0.4.5.crate) = 04b7213d82037d80676f553c2595ea0f3cc69f22f8a85a389075026a1d2325cb61c4f4c5ff6a2842e1a0bbf44d4617f18c47eca5c6686394c6e1e01b67a4d18c
+SHA512 (curl-sys-0.4.6.crate) = 055497fb9843e7911a4d2b6c9444bc24b74548b5d369510f82f663d988f33a3b440d56e5db74f1ed922b0644c3c240522ede8b40ba67f199d8b4566ca8b6fa12