diff --git a/rust-sha1.spec b/rust-sha1.spec
index 53c4b99..9822f11 100644
--- a/rust-sha1.spec
+++ b/rust-sha1.spec
@@ -7,20 +7,19 @@
 
 Name:           rust-%{crate}
 Version:        0.6.0
-Release:        5%{?dist}
+Release:        6%{?dist}
 Summary:        Minimal implementation of SHA1 for Rust
 
 # Upstream license specification: BSD-3-Clause
 License:        BSD
 URL:            https://crates.io/crates/sha1
-Source0:        https://crates.io/api/v1/crates/%{crate}/%{version}/download#/%{crate}-%{version}.crate
+Source:         %{crates_source}
 # https://github.com/mitsuhiko/rust-sha1/pull/35
 Patch0001:      0001-guard-hexdigest-doctest-by-cfg-feature-std.patch
 
 ExclusiveArch:  %{rust_arches}
 
 BuildRequires:  rust-packaging
-BuildRequires:  (crate(serde/default) >= 1.0.0 with crate(serde/default) < 2.0.0)
 %if %{with check}
 BuildRequires:  (crate(openssl/default) >= 0.10.0 with crate(openssl/default) < 0.11.0)
 BuildRequires:  (crate(rand/default) >= 0.4.0 with crate(rand/default) < 0.5.0)
@@ -84,7 +83,7 @@ which use "std" feature of "%{crate}" crate.
 %ghost %{cargo_registry}/%{crate}-%{version}/Cargo.toml
 
 %prep
-%autosetup -n %{crate}-%{version} -p1
+%autosetup -n %{crate}-%{version_no_tilde} -p1
 %cargo_prep
 
 %build
@@ -99,6 +98,9 @@ which use "std" feature of "%{crate}" crate.
 %endif
 
 %changelog
+* Sun Mar 10 2019 Igor Gnatenko <ignatenkobrain@fedoraproject.org> - 0.6.0-6
+- Do not pull optional dependencies
+
 * Sat Feb 02 2019 Fedora Release Engineering <releng@fedoraproject.org> - 0.6.0-5
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild