diff --git a/diff-0.1.11-fix-metadata.diff b/diff-0.1.11-fix-metadata.diff
index 1c111e8..0b8da06 100644
--- a/diff-0.1.11-fix-metadata.diff
+++ b/diff-0.1.11-fix-metadata.diff
@@ -1,11 +1,11 @@
 --- diff-0.1.11/Cargo.toml	1970-01-01T01:00:00+01:00
-+++ diff-0.1.11/Cargo.toml	2017-12-02T17:32:39.982874+01:00
++++ diff-0.1.11/Cargo.toml	2018-01-01T12:40:11.675068+01:00
 @@ -20,7 +20,7 @@
  license = "MIT OR Apache-2.0"
  repository = "https://github.com/utkarshkukreti/diff.rs"
  [dev-dependencies.quickcheck]
 -version = "0.4.1"
-+version = "0.5"
++version = "0.6"
  default-features = false
  
  [dev-dependencies.speculate]
diff --git a/rust-diff.spec b/rust-diff.spec
index 3e8d8f3..2e0ed9f 100644
--- a/rust-diff.spec
+++ b/rust-diff.spec
@@ -7,14 +7,14 @@
 
 Name:           rust-%{crate}
 Version:        0.1.11
-Release:        2%{?dist}
+Release:        3%{?dist}
 Summary:        LCS based slice and string diffing implementation
 
 License:        MIT or ASL 2.0
 URL:            https://crates.io/crates/diff
 Source0:        https://crates.io/api/v1/crates/%{crate}/%{version}/download#/%{crate}-%{version}.crate
 # Initial patched metadata
-# * Bump quickcheck to 0.5, https://github.com/utkarshkukreti/diff.rs/commit/77c5dd7c787375e15c42f0117ce19f53b9db03fa
+# * Bump quickcheck to 0.6, https://github.com/utkarshkukreti/diff.rs/pull/13
 Patch0:         diff-0.1.11-fix-metadata.diff
 
 ExclusiveArch:  %{rust_arches}
@@ -22,7 +22,7 @@ ExclusiveArch:  %{rust_arches}
 BuildRequires:  rust-packaging
 %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)
 BuildRequires:  (crate(speculate) >= 0.0.25 with crate(speculate) < 0.0.26)
 %endif
 
@@ -60,6 +60,9 @@ which use %{crate} from crates.io.
 %{cargo_registry}/%{crate}-%{version}/
 
 %changelog
+* Mon Jan 01 2018 Igor Gnatenko <ignatenkobrain@fedoraproject.org> - 0.1.11-3
+- Bump quickcheck to 0.6
+
 * Sat Dec 02 2017 Igor Gnatenko <ignatenkobrain@fedoraproject.org> - 0.1.11-2
 - Bump quickcheck to 0.5