diff --git a/boost-1.50.0-fix-non-utf8-files.patch b/boost-1.50.0-fix-non-utf8-files.patch
index b60a3ac..469b35d 100644
--- a/boost-1.50.0-fix-non-utf8-files.patch
+++ b/boost-1.50.0-fix-non-utf8-files.patch
@@ -5,9 +5,9 @@ index 8b2bc43..d04f2fe 100644
 @@ -67,7 +67,7 @@ struct thing_base_unit : boost::units::base_unit<thing_base_unit, boost::units::
  struct euro_base_unit : boost::units::base_unit<euro_base_unit, boost::units::dimensionless_type, 5>
  {
-   static const char* name() { return("EUR"); }
--  static const char* symbol() { return("€"); }
-+  static const char* symbol() { return("€"); }
+   static constexpr const char* name() { return("EUR"); }
+-  static constexpr const char* symbol() { return("€"); }
++  static constexpr const char* symbol() { return("€"); }
  };
  
  int main()
diff --git a/boost.spec b/boost.spec
index 5e70431..97383ee 100644
--- a/boost.spec
+++ b/boost.spec
@@ -41,9 +41,9 @@
 
 Name: boost
 Summary: The free peer-reviewed portable C++ source libraries
-Version: 1.66.0
-%global version_enc 1_66_0
-Release: 15%{?dist}
+Version: 1.68.0
+%global version_enc 1_68_0
+Release: 1%{?dist}
 License: Boost and MIT and Python
 
 %global toplev_dirname %{name}_%{version_enc}
@@ -1495,6 +1495,9 @@ fi
 %{_mandir}/man1/bjam.1*
 
 %changelog
+* Sun Nov 25 2018 Denis Arnaud <denis.arnaud_fedora@m4x.org> - 1.68.0-1
+- Rebase to 1.68.0
+
 * Thu Sep 27 2018 Owen Taylor <otaylor@redhat.com> - 1.66.0-15
 - Disable openmpi and mpich for Flatpak-bundled builds
 
diff --git a/sources b/sources
index a40bdd9..42e1f9a 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (boost_1_66_0.tar.bz2) = 0f34075d35391d66876e5189a01a11880a79428e1b267456348ee148dba9dc3abdc74d568f1853be631d20b584b1c804b42443c266f7622164acfc10be3dab8b
+SHA512 (boost_1_68_0.tar.bz2) = f5ca2e0425af40eca7722712b985b863c88780e5be5ac24c78bcfdc63651bb67a39605d4f84089d76cab344fd34113fcb7befaa9a90481b381f6c53e9612b5f9