diff --git a/.gitignore b/.gitignore
index 446ddb1..832ec0f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 /extprim-1.4.0.crate
 /extprim-1.5.0.crate
 /extprim-1.5.1.crate
+/extprim-1.6.0.crate
diff --git a/rust-extprim.spec b/rust-extprim.spec
index e1b0f13..1745428 100644
--- a/rust-extprim.spec
+++ b/rust-extprim.spec
@@ -6,8 +6,8 @@
 %global crate extprim
 
 Name:           rust-%{crate}
-Version:        1.5.1
-Release:        2%{?dist}
+Version:        1.6.0
+Release:        1%{?dist}
 Summary:        Extra primitive types (u128, i128)
 
 License:        MIT or ASL 2.0
@@ -18,11 +18,12 @@ ExclusiveArch:  %{rust_arches}
 
 BuildRequires:  rust-packaging
 # [dependencies]
-BuildRequires:  (crate(num-traits) >= 0.1.0 with crate(num-traits) < 0.2.0)
+BuildRequires:  (crate(num-traits) >= 0.2.0 with crate(num-traits) < 0.3.0)
 BuildRequires:  (crate(rand) >= 0.4.0 with crate(rand) < 0.5.0)
 BuildRequires:  ((crate(serde) >= 1.0.0 with crate(serde) < 2.0.0) with crate(serde/derive))
 # [build-dependencies]
 BuildRequires:  (crate(rustc_version) >= 0.2.0 with crate(rustc_version) < 0.3.0)
+BuildRequires:  (crate(semver) >= 0.9.0 with crate(semver) < 0.10.0)
 %if %{with check}
 # [dev-dependencies]
 BuildRequires:  (crate(extprim_literals) >= 2.0.0 with crate(extprim_literals) < 3.0.0)
@@ -62,6 +63,9 @@ which use %{crate} from crates.io.
 %{cargo_registry}/%{crate}-%{version}/
 
 %changelog
+* Mon May 14 2018 Igor Gnatenko <ignatenkobrain@fedoraproject.org> - 1.6.0-1
+- Update to 1.6.0
+
 * Fri Feb 09 2018 Fedora Release Engineering <releng@fedoraproject.org> - 1.5.1-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild
 
diff --git a/sources b/sources
index 21a4037..489f164 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (extprim-1.5.1.crate) = ed640921a2aa6ddd3b82aead0f1b3b7ab24fd48716f99c59917f6d236ab808b1060d66071bc5246b4a05adcc71079e36fbc4f8eb42892d6992b4a46ec97137c9
+SHA512 (extprim-1.6.0.crate) = e077a4147370673af5df545c3b45cd2af9d5754a30b148a1621324b857369597b5d1d473f7ff7d96a14127b77b3ca1999457e674c2f644f5492e9bc2a8d99882