diff --git a/.gitignore b/.gitignore
index feadc1e..4b2104c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -9,3 +9,4 @@
 /MCE-1.702.tar.gz
 /MCE-1.703.tar.gz
 /MCE-1.704.tar.gz
+/MCE-1.705.tar.gz
diff --git a/perl-MCE.spec b/perl-MCE.spec
index ca3365a..8785ae7 100644
--- a/perl-MCE.spec
+++ b/perl-MCE.spec
@@ -1,5 +1,5 @@
 Name:           perl-MCE
-Version:        1.704
+Version:        1.705
 Release:        1%{?dist}
 Summary:        Many-core Engine for Perl providing parallel processing capabilities
 License:        GPL+ or Artistic
@@ -45,6 +45,12 @@ Requires:       perl(IO::Handle)
 Requires:       perl(POSIX)
 Requires:       perl(threads::shared)
 
+# NCE would like to use Sereal if available
+%if 0%{?fedora} > 23 || 0%{?rhel} > 6
+BuildRequires:  perl(Sereal)
+Requires:       perl(Sereal)
+%endif
+
 %description
 Many-core Engine (MCE) for Perl helps enable a new level of performance by
 maximizing all available cores. MCE spawns a pool of workers and therefore
@@ -135,6 +141,11 @@ make test
 %{_bindir}/mce_grep
 
 %changelog
+* Fri Apr 15 2016 Paul Howarth <paul@city-fan.org> - 1.705-1
+- Update to 1.705
+  - Bumped version for Test::More to 0.88
+- BR:/R: perl(Sereal) where available
+
 * Thu Apr 14 2016 Paul Howarth <paul@city-fan.org> - 1.704-1
 - Update to 1.704
   BUG FIXES
diff --git a/sources b/sources
index ba8ad2a..1f56043 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-d2475c3e1fd33e6de43d25b720ca5af9  MCE-1.704.tar.gz
+252a4e1ec3b854da339880af2316c7a3  MCE-1.705.tar.gz