diff --git a/0006-Add-required-header-for-ostream-operations.patch b/0006-Add-required-header-for-ostream-operations.patch
new file mode 100644
index 0000000..1b98f01
--- /dev/null
+++ b/0006-Add-required-header-for-ostream-operations.patch
@@ -0,0 +1,23 @@
+From d9786540a205bec0b381f339497d7c2cce00376b Mon Sep 17 00:00:00 2001
+From: Jonathan Wakely <jwakely@redhat.com>
+Date: Wed, 1 Feb 2017 02:07:28 +0000
+Subject: [PATCH] Add required header for ostream operations
+
+This file uses std::ostream::operator<<(double) without including
+<ostream> and so fails to compile using GCC 7.
+---
+ k3dsdk/measurement.h | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/k3dsdk/measurement.h b/k3dsdk/measurement.h
+index 9edf7ae..67df5aa 100644
+--- a/k3dsdk/measurement.h
++++ b/k3dsdk/measurement.h
+@@ -27,6 +27,7 @@
+ 
+ #include <cassert>
+ #include <iosfwd>
++#include <ostream>
+ #include <map>
+ #include <string>
+ #include <typeinfo>
diff --git a/k3d.spec b/k3d.spec
index 61ba394..4fc772f 100644
--- a/k3d.spec
+++ b/k3d.spec
@@ -1,6 +1,6 @@
 Name:           k3d
 Version:        0.8.0.6
-Release:        2%{?dist}
+Release:        3%{?dist}
 Summary:        A 3D Modeling, Animation and Rendering System
 
 Group:          Applications/Multimedia
@@ -15,6 +15,8 @@ Patch2: 0002-Suppress-Wnarrow-warnings.patch
 Patch3: 0003-Fix-permissions.patch
 Patch4: 0004-Avoid-signed-unsigned-int-warning.patch
 Patch5: 0005-Work-around-gtkmm-gdkmm-glibmm-incompatibility.patch
+# https://github.com/K-3D/k3d/pull/27
+Patch6: 0006-Add-required-header-for-ostream-operations.patch
 
 # This list is alpha sorted.
 BuildRequires:  asciidoc
@@ -97,6 +99,7 @@ rendering a model written by K-3D.
 %patch3 -p1
 %patch4 -p1
 %patch5 -p1
+%patch6 -p1
 
 %build
 mkdir BUILD
@@ -219,6 +222,9 @@ update-desktop-database %{_datadir}/applications > /dev/null 2>&1 || :
 
 
 %changelog
+* Wed Feb 01 2017 Jonathan Wakely <jwakely@redhat.com> - 0.8.0.6-3
+- Rebuilt for Boost 1.63 and patched for GCC 7
+
 * Tue Jan 10 2017 Ralf Corsépius <corsepiu@fedoraproject.org> - 0.8.0.6-2
 - Rebuild for glew-2.0.0.