diff --git a/rust-yaml-rust.spec b/rust-yaml-rust.spec
index 3cd9990..e95da4c 100644
--- a/rust-yaml-rust.spec
+++ b/rust-yaml-rust.spec
@@ -6,14 +6,14 @@
 
 Name:           rust-%{crate}
 Version:        0.4.0
-Release:        2%{?dist}
+Release:        3%{?dist}
 Summary:        YAML 1.2 parser for rust
 
 License:        MIT or ASL 2.0
 URL:            https://crates.io/crates/yaml-rust
 Source0:        https://crates.io/api/v1/crates/%{crate}/%{version}/download#/%{crate}-%{version}.crate
 # Initial patched metadata
-# * Bump quickcheck to 0.5, https://github.com/chyh1990/yaml-rust/pull/93
+# * Bump quickcheck to 0.6, https://github.com/chyh1990/yaml-rust/pull/95
 Patch0:         yaml-rust-0.4.0-fix-metadata.diff
 
 ExclusiveArch:  %{rust_arches}
@@ -23,7 +23,7 @@ BuildRequires:  rust-packaging
 BuildRequires:  (crate(linked-hash-map) >= 0.0.9 with crate(linked-hash-map) < 0.6.0)
 %if %{with check}
 # [dev-dependencies]
-BuildRequires:  (crate(quickcheck) >= 0.5.0 with crate(quickcheck) < 0.6.0)
+BuildRequires:  (crate(quickcheck) >= 0.6.0 with crate(quickcheck) < 0.7.0)
 %endif
 
 %description
@@ -63,6 +63,9 @@ chmod -x tests/specs/cpp2rust.rb
 %exclude %{cargo_registry}/%{crate}-%{version}/appveyor.yml
 
 %changelog
+* Mon Jan 01 2018 Igor Gnatenko <ignatenkobrain@fedoraproject.org> - 0.4.0-3
+- Bump quickcheck to 0.6
+
 * Sat Dec 02 2017 Igor Gnatenko <ignatenkobrain@fedoraproject.org> - 0.4.0-2
 - Bump quickcheck to 0.5
 
diff --git a/yaml-rust-0.4.0-fix-metadata.diff b/yaml-rust-0.4.0-fix-metadata.diff
index 2895fb7..4168103 100644
--- a/yaml-rust-0.4.0-fix-metadata.diff
+++ b/yaml-rust-0.4.0-fix-metadata.diff
@@ -1,8 +1,8 @@
 --- yaml-rust-0.4.0/Cargo.toml	2017-11-22T08:50:37+01:00
-+++ yaml-rust-0.4.0/Cargo.toml	2017-12-02T17:30:19.478022+01:00
++++ yaml-rust-0.4.0/Cargo.toml	2018-01-01T12:32:02.872202+01:00
 @@ -13,4 +13,4 @@
  linked-hash-map = ">=0.0.9, <0.6"
  
  [dev-dependencies]
 -quickcheck = "0.4"
-+quickcheck = "0.5"
++quickcheck = "0.6"